{"id":8173,"date":"2026-10-28T00:19:12","date_gmt":"2026-10-27T15:19:12","guid":{"rendered":"https:\/\/jinrai.co.jp\/?p=8173"},"modified":"2026-10-28T00:19:21","modified_gmt":"2026-10-27T15:19:21","slug":"brotli-cve-2026-111497-dotnet-nodejs-php","status":"publish","type":"post","link":"https:\/\/jinrai.co.jp\/en\/blog\/2026\/10\/28\/brotli-cve-2026-111497-dotnet-nodejs-php\/","title":{"rendered":"Brotli\u306e\u8106\u5f31\u6027\u3067.NET\u3082\u7dca\u6025\u66f4\u65b0\uff5c\u5bfe\u8c61\u88fd\u54c1\u3068\u4fee\u6b63\u7248\u306e\u4e00\u89a7"},"content":{"rendered":"<div style=\"background:#FBF6EE;border:1px solid #DCBB8E;border-left:5px solid #A8813F;border-radius:10px;padding:22px 24px;margin:0 0 32px;\">\n<p style=\"margin:0 0 8px;font-weight:700;color:#7D5F22;\">\u7d50\u8ad6<\/p>\n<p style=\"margin:0;line-height:1.9;\">Brotli\uff08\u30d6\u30ed\u30c8\u30ea\uff09\u3068\u306f\u3001Google\u304c\u958b\u767a\u3057\u305f\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u4ed5\u7d44\u307f\u3067\u3001Web\u306e\u901a\u4fe1\u3084\u30bd\u30d5\u30c8\u306e\u4e2d\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306eBrotli\u306b\u3001<strong>\u7d30\u5de5\u3057\u305f\u30c7\u30fc\u30bf\u3092\u5c55\u958b\u3055\u305b\u308b\u3068\u5916\u90e8\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u308c\u308b\u304a\u305d\u308c\u306e\u3042\u308b\u8106\u5f31\u6027\uff08CVE-2026-111497\u3001Google\u306e\u8a55\u4fa1\u3067\u6df1\u523b\u5ea69.2\uff09<\/strong>\u304c\u898b\u3064\u304b\u308a\u3001Google\u306f2026\u5e7410\u670821\u65e5\u306b\u4fee\u6b63\u7248\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002Brotli\u3092\u7d44\u307f\u8fbc\u3093\u3060\u30bd\u30d5\u30c8\u3067\u3082\u3001<strong>Node.js\uff0810\u670821\u65e5\uff09\u3001Microsoft\u306e.NET\uff0810\u670825\u65e5\u3001\u5b9a\u4f8b\u5916\u306e\u7dca\u6025\u66f4\u65b0\uff09\u3001PHP\u306eWindows\u7248\u30fbGit for Windows\uff0810\u670826\u65e5\uff09<\/strong>\u304c\u76f8\u6b21\u3044\u3067\u4fee\u6b63\u7248\u3092\u51fa\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u4fee\u6b63\u7248\u306b\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002PHP2Shell\u3068\u306f\u5225\u306e\u8106\u5f31\u6027\u3067\u300110\u670828\u65e5\u6642\u70b9\u3067\u60aa\u7528\u306e\u5831\u544a\u306f\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div>\n<p>10\u6708\u4e0b\u65ec\u306f\u3001PHP\u306e\u91cd\u5927\u306a\u8106\u5f31\u6027\u300cPHP2Shell\u300d\u306e\u5bfe\u5fdc\u304c\u7d9a\u304f\u306a\u304b\u3001\u5225\u306e\u8106\u5f31\u6027\u306e\u4fee\u6b63\u3082\u91cd\u306a\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u3072\u3068\u3064\u304c\u3001\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u4ed5\u7d44\u307f\u300cBrotli\u300d\u306e\u8106\u5f31\u6027\u3067\u3059\u3002SNS\u3067\u306f\u300cPHP2Shell\u306b\u95a2\u9023\u3059\u308bBrotli\u306e\u8106\u5f31\u6027\u3067\u3001Microsoft\u3082\u7dca\u6025\u66f4\u65b0\u300d\u3068\u3044\u3063\u305f\u8981\u7d04\u3082\u51fa\u56de\u308a\u307e\u3057\u305f\u304c\u3001<strong>Brotli\u306fPHP2Shell\u3068\u306f\u5225\u306e\u554f\u984c<\/strong>\u3067\u3001Microsoft\u306e\u66f4\u65b0\u306e\u5bfe\u8c61\u3082Windows\u672c\u4f53\u3067\u306f\u306a\u304f.NET\u306a\u3069\u306e\u958b\u767a\u7528\u306e\u88fd\u54c1\u3067\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5404\u793e\u306e\u516c\u5f0f\u767a\u8868\u3092\u3082\u3068\u306b\u3001\u4f55\u304c\u898b\u3064\u304b\u3063\u305f\u306e\u304b\u3001\u3069\u306e\u88fd\u54c1\u304c\u5bfe\u8c61\u3067\u4fee\u6b63\u7248\u306f\u3069\u308c\u304b\u3001\u81ea\u793e\u3067\u4f55\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3088\u3044\u304b\u3092\u3001\u5c02\u9580\u77e5\u8b58\u304c\u306a\u3044\u65b9\u306b\u3082\u5206\u304b\u308b\u3088\u3046\u306b\u6574\u7406\u3057\u307e\u3059\u3002Node.js\u306e\u4fee\u6b63\u306e\u5168\u4f53\u306f<a href=\"\/blog\/2026\/10\/22\/nodejs-security-release-2026-10\/\">Node.js\u306e\u8106\u5f31\u602710\u4ef6\u306e\u8a18\u4e8b<\/a>\u3001PHP2Shell\u306f<a href=\"\/blog\/2026\/10\/21\/php-security-release-2026-10\/\">PHP\u306e\u8106\u5f31\u6027\u306e\u8a18\u4e8b<\/a>\u3067\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u4f55\u304c\u898b\u3064\u304b\u3063\u305f\u306e\u304b<\/h2>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.92em;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\">\u9805\u76ee<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u8b58\u5225\u756a\u53f7<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">CVE-2026-111497\uff08\u901a\u79f0\u300cNode2Shell\u300d\u300cHTTP2Shell\u300d\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u554f\u984c\u306e\u5834\u6240<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Brotli\u306eC\u8a00\u8a9e\u306e\u5b9f\u88c5\u3067\u3001\u5727\u7e2e\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u5143\u306b\u623b\u3059\uff08\u5c55\u958b\u3059\u308b\uff09\u90e8\u5206<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u8d77\u304d\u3046\u308b\u3053\u3068<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u653b\u6483\u8005\u304c\u7d30\u5de5\u3057\u305fBrotli\u306e\u30c7\u30fc\u30bf\u3092\u5c55\u958b\u3055\u305b\u308b\u3068\u3001\u30a2\u30d7\u30ea\u304c\u6b62\u307e\u308b\u3001\u30e1\u30e2\u30ea\u4e0a\u306e\u60c5\u5831\u304c\u6f0f\u308c\u308b\u3001\u5916\u90e8\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u308c\u308b\u3001\u306e\u3044\u305a\u308c\u304b\u304c\u8d77\u304d\u308b\u304a\u305d\u308c<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u6df1\u523b\u5ea6<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Google\uff08\u756a\u53f7\u306e\u767a\u884c\u5143\uff09\u306e\u8a55\u4fa1\u3067CVSS 4.0 <strong>9.2\uff08\u7dca\u6025\uff09<\/strong>\u3002Red Hat\u3068Microsoft\u306fCVSS 3.1\u30678.1\u3002NVD\uff08\u7c73\u56fd\u306e\u8106\u5f31\u6027\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\uff09\u306f\u5206\u6790\u5f85\u3061<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u5bfe\u8c61\u306eBrotli<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">1.0.3\u301c1.2.0\uff08\u4fee\u6b63\u7248\u306f1.0.10\u30fb1.1.1\u30fb1.2.1\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u4fee\u6b63\u306e\u516c\u958b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2026\u5e7410\u670821\u65e5\uff08Google\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u60aa\u7528\u306e\u72b6\u6cc1<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670828\u65e5\u6642\u70b9\u3067\u5831\u544a\u306a\u3057\u3002CISA\uff08\u7c73\u56fd\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5f53\u5c40\uff09\u306e\u60aa\u7528\u78ba\u8a8d\u30ea\u30b9\u30c8\u306b\u3082\u672a\u63b2\u8f09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u6df1\u523b\u5ea6\u306e\u70b9\u6570\u304c\u6a5f\u95a2\u306b\u3088\u3063\u3066\u9055\u3046\u306e\u306f\u3001\u653b\u6483\u306e\u96e3\u3057\u3055\u306e\u898b\u65b9\u304c\u5206\u304b\u308c\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002Red Hat\u306f\u300c\u653b\u6483\u306e\u6761\u4ef6\u304c\u305d\u308d\u3046\u306e\u306f\u96e3\u3057\u3044\u300d\u3068\u3057\u3066\u3001\u6700\u3082\u9ad8\u3044\u533a\u5206\u306e1\u3064\u4e0b\u306e\u300cImportant\u300d\u3068\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/access.redhat.com\/security\/cve\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\">Red Hat<\/a>\uff09\u3002\u30b7\u30f3\u30ac\u30dd\u30fc\u30eb\u306e\u30b5\u30a4\u30d0\u30fc\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5e81\u306fNode.js\u306e\u6ce8\u610f\u559a\u8d77\u3067CVSS 3.1\u306e9.8\u3068\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/www.csa.gov.sg\/alerts-and-advisories\/alerts\/al-2026-154\/\" target=\"_blank\" rel=\"noopener nofollow\">CSA<\/a>\uff09\u3002<\/p>\n<p>JPCERT\/CC\u306f10\u670826\u65e5\u306b\u6ce8\u610f\u559a\u8d77\u3092\u51fa\u3057\u3001\u4fee\u6b63\u7248\u306e\u9069\u7528\u306b\u52a0\u3048\u3066<strong>\u4fb5\u5bb3\u304c\u306a\u3044\u304b\u306e\u8abf\u67fb<\/strong>\u3092\u547c\u3073\u304b\u3051\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u300cGoogle\u306f\u3001\u672c\u8106\u5f31\u6027\u306b\u5bfe\u3057\u3066\u7de9\u548c\u7b56\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u305b\u3093\u300d\u3068\u3057\u3066\u304a\u308a\u3001\u66f4\u65b0\u4ee5\u5916\u306e\u56de\u907f\u7b56\u306f\u88fd\u54c1\u3054\u3068\u306b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff08<a href=\"https:\/\/www.jpcert.or.jp\/at\/2026\/at260034.html\" target=\"_blank\" rel=\"noopener nofollow\">JPCERT\/CC\u30012026\u5e7410\u670826\u65e5<\/a>\uff09\u3002<\/p>\n<h2>Brotli\u3068\u306f\uff5c\u306a\u305c\u591a\u304f\u306e\u88fd\u54c1\u306b\u5f71\u97ff\u3059\u308b\u306e\u304b<\/h2>\n<p>Brotli\u306f\u3001Web\u30da\u30fc\u30b8\u3084\u753b\u50cf\u306a\u3069\u306e\u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u304f\u3057\u3066\u9001\u308b\u305f\u3081\u306e\u5727\u7e2e\u306e\u65b9\u5f0f\u3067\u3059\u3002\u30d6\u30e9\u30a6\u30b6\u3068Web\u30b5\u30fc\u30d0\u30fc\u306e\u9593\u306e\u901a\u4fe1\u3067\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u308b\u307b\u304b\u3001\u3055\u307e\u3056\u307e\u306a\u30bd\u30d5\u30c8\u306e\u90e8\u54c1\u3068\u3057\u3066\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u554f\u984c\u304c\u8d77\u304d\u308b\u306e\u306f\u3001<strong>\u5916\u304b\u3089\u53d7\u3051\u53d6\u3063\u305f\u5727\u7e2e\u30c7\u30fc\u30bf\u3092\u300c\u5c55\u958b\u3059\u308b\u300d\u3068\u304d<\/strong>\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u6b21\u306e\u3088\u3046\u306a\u5834\u9762\u304c\u5f53\u3066\u306f\u307e\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>Web\u30b5\u30fc\u30d0\u30fc\u3084\u30a2\u30d7\u30ea\u304c\u3001\u5229\u7528\u8005\u304b\u3089\u9001\u3089\u308c\u3066\u304d\u305f\u5727\u7e2e\u6e08\u307f\u306e\u30c7\u30fc\u30bf\u3092\u53d7\u3051\u53d6\u3063\u3066\u5c55\u958b\u3059\u308b<\/li>\n<li>\u30a2\u30d7\u30ea\u304c\u3001\u5916\u90e8\u306e\u30b5\u30a4\u30c8\u3084API\u304b\u3089\u5727\u7e2e\u3055\u308c\u305f\u5fdc\u7b54\u3092\u53d6\u308a\u8fbc\u3093\u3067\u5c55\u958b\u3059\u308b\uff08Web\u306e\u88cf\u5074\u3067\u5225\u306e\u30b5\u30fc\u30d3\u30b9\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u306b\u884c\u304f\u51e6\u7406\u306a\u3069\uff09<\/li>\n<li>\u958b\u767a\u8005\u306e\u30d1\u30bd\u30b3\u30f3\u3067\u3001\u30c4\u30fc\u30eb\u304c\u5727\u7e2e\u3055\u308c\u305f\u30c7\u30fc\u30bf\u3092\u6271\u3046<\/li>\n<\/ul>\n<p>Brotli\u305d\u306e\u3082\u306e\u306f1\u3064\u306e\u90e8\u54c1\u3067\u3082\u3001\u305d\u308c\u3092\u7d44\u307f\u8fbc\u3093\u3060\u88fd\u54c1\u304c\u591a\u3044\u305f\u3081\u3001<strong>\u88fd\u54c1\u3054\u3068\u306b\u4fee\u6b63\u7248\u304c\u9806\u756a\u306b\u51fa\u3066\u304f\u308b<\/strong>\u5f62\u306b\u306a\u308a\u307e\u3059\u3002\u81ea\u793e\u306e\u30b7\u30b9\u30c6\u30e0\u3067\u4f7f\u3063\u3066\u3044\u308b\u88fd\u54c1\u3092\u4e00\u3064\u305a\u3064\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u88fd\u54c1\u3054\u3068\u306e\u5bfe\u5fdc\u3068\u4fee\u6b63\u7248<\/h2>\n<p>2026\u5e7410\u670828\u65e5\u6642\u70b9\u3067\u3001\u516c\u5f0f\u306e\u767a\u8868\u3092\u78ba\u8a8d\u3067\u304d\u305f\u3082\u306e\u3092\u4e26\u3079\u307e\u3059\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.9em;min-width:720px;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\">\u88fd\u54c1<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u4fee\u6b63\u7248<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u516c\u958b\u65e5<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u88dc\u8db3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Brotli\uff08Google\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">1.2.1\u30fb1.1.1\u30fb1.0.10<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670821\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><a href=\"https:\/\/github.com\/google\/brotli\/releases\" target=\"_blank\" rel=\"noopener nofollow\">GitHub\u306e\u30ea\u30ea\u30fc\u30b9<\/a><\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>Node.js<\/strong><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">22.23.4\u30fb24.22.1\u30fb26.12.1<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670821\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">v20\u306f\u30b5\u30dd\u30fc\u30c8\u7d42\u4e86\u306e\u305f\u3081\u4fee\u6b63\u7248\u306a\u3057\uff08<a href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" target=\"_blank\" rel=\"noopener nofollow\">Node.js<\/a>\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>.NET<\/strong>\uff08Microsoft\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">8.0.33\u30fb9.0.22\u30fb10.0.14\u30fb11 RC3\uff08SDK\u306f8.0.427\u30fb9.0.320\u30fb10.0.403\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670825\u65e5\uff08\u7c73\u56fd\u6642\u9593\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u5b9a\u4f8b\u5916\u306e\u7dca\u6025\u66f4\u65b0\u3002.NET Framework\u306f\u5bfe\u8c61\u5916\uff08<a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/dotnet-october-2026-oob-security-updates\/\" target=\"_blank\" rel=\"noopener nofollow\">.NET\u516c\u5f0f\u30d6\u30ed\u30b0<\/a>\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Visual Studio<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2019\u306f16.11.61\u30012022\u306f17.14.43\u30012026\u306f18.11.2<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670825\u65e5\uff08\u7c73\u56fd\u6642\u9593\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\">Microsoft\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u30ac\u30a4\u30c9<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">PowerShell<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">7.4.22\u30fb7.5.13\u30fb7.6.9<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670825\u65e5\uff08\u7c73\u56fd\u6642\u9593\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u540c\u4e0a<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>PHP\uff08Windows\u7248\uff09<\/strong><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">8.5.12-1\u30fb8.4.27-1\u30fb8.3.36-1\u30fb8.2.35-1<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670826\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Brotli 1.2.1\u3092\u540c\u68b1\u3057\u3066\u914d\u308a\u76f4\u3057\u3002PHP\u81ea\u4f53\u306e\u7248\u306f\u5909\u308f\u3089\u306a\u3044\uff08<a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-26-1\" target=\"_blank\" rel=\"noopener nofollow\">PHP\u516c\u5f0f<\/a>\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">PHP\u306e\u62e1\u5f35\u6a5f\u80fd brotli\uff08PECL\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">0.21.1<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670824\u301c26\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u540c\u68b1\u306eBrotli\u30921.2.1\u306b\u66f4\u65b0\uff08<a href=\"https:\/\/github.com\/kjdev\/php-ext-brotli\/releases\/tag\/0.21.1\" target=\"_blank\" rel=\"noopener nofollow\">GitHub<\/a>\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Git for Windows<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2.56.0.windows.4<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670826\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u300c\u7dca\u6025\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u300d\u3068\u3057\u3066\u516c\u958b\uff08<a href=\"https:\/\/github.com\/git-for-windows\/git\/releases\" target=\"_blank\" rel=\"noopener nofollow\">GitHub<\/a>\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Red Hat Enterprise Linux<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">brotli\u30fbNode.js\u30fb.NET\u306e\u30d1\u30c3\u30b1\u30fc\u30b8<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u9806\u6b21<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">OS\u306ebrotli\u3068\u3001\u88fd\u54c1\u306b\u540c\u68b1\u306ebrotli\u306e\u4e21\u65b9\u304c\u5bfe\u8c61\uff08<a href=\"https:\/\/access.redhat.com\/security\/cve\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\">Red Hat<\/a>\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>JPCERT\/CC\u306f\u3001\u3053\u306e\u307b\u304b\u306bBun\uff08JavaScript\u306e\u5b9f\u884c\u74b0\u5883\uff09\u3068Python\u5411\u3051\u306eBrotli\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u3082\u5bfe\u8c61\u3068\u3057\u3066\u6319\u3052\u3066\u3044\u307e\u3059\u3002Linux\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u306f\u3001OS\u304c\u914d\u5e03\u3059\u308bbrotli\uff08libbrotli\uff09\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u66f4\u65b0\u3082\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>Microsoft\u306e\u7dca\u6025\u66f4\u65b0\uff5c\u5bfe\u8c61\u306f.NET\u306a\u3069\u958b\u767a\u7528\u306e\u88fd\u54c1<\/h2>\n<p>Microsoft\u306f10\u670825\u65e5\uff08\u7c73\u56fd\u6642\u9593\uff09\u3001\u6bce\u6708\u7b2c2\u706b\u66dc\u65e5\u306e\u5b9a\u4f8b\u3068\u306f\u5225\u306b\u3001.NET\u306e\u7dca\u6025\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u66f4\u65b0\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002Microsoft\u306e\u8a55\u4fa1\u306f\u6700\u3082\u9ad8\u3044\u533a\u5206\u306e\u300c\u7dca\u6025\uff08Critical\uff09\u300d\u3067\u3001\u5f71\u97ff\u306f\u300c\u6a29\u9650\u306e\u6607\u683c\u300d\u3068\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\">Microsoft<\/a>\uff09\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.92em;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\">\u30dd\u30a4\u30f3\u30c8<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u5185\u5bb9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u5bfe\u8c61\u306b\u306a\u308b\u4f7f\u3044\u65b9<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">ASP.NET Core\u3067\u53d7\u3051\u53d6\u3063\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5c55\u958b\u3001HttpClient\u306e\u81ea\u52d5\u5c55\u958b\uff08AutomaticDecompression\uff09\u3001System.IO.Compression\u306eBrotli\u306e\u6a5f\u80fd<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u521d\u671f\u8a2d\u5b9a<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u5c55\u958b\u3068\u3001\u5fdc\u7b54\u306e\u81ea\u52d5\u5c55\u958b\u306f\u3001\u521d\u671f\u8a2d\u5b9a\u3067\u306f\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u5bfe\u8c61\u5916<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">.NET Framework\u3001Windows\u672c\u4f53\u3001Edge<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u81ea\u5df1\u5b8c\u7d50\u578b\u306e\u30a2\u30d7\u30ea<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>\u4f5c\u308a\u76f4\u3057\u3066\u914d\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308b<\/strong>\u3002\u30b5\u30fc\u30d0\u30fc\u306b\u65b0\u3057\u3044\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5165\u308c\u3066\u3082\u3001\u30a2\u30d7\u30ea\u306b\u540c\u68b1\u3057\u305f\u30e9\u30f3\u30bf\u30a4\u30e0\u306f\u66f4\u65b0\u3055\u308c\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u30b3\u30f3\u30c6\u30ca<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u66f4\u65b0\u3057\u305f\u30a4\u30e1\u30fc\u30b8\u3067\u4f5c\u308a\u76f4\u3057\u3066\u3001\u914d\u7f6e\u3057\u76f4\u3059<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u540c\u3058\u66f4\u65b0\u3067\u306f\u3001Linux\u5411\u3051\u306e.NET\u306e\u914d\u5e03\u30d5\u30a1\u30a4\u30eb\u306e\u6a29\u9650\u8a2d\u5b9a\u306e\u554f\u984c\uff08CVE-2026-114148\uff09\u3068\u300110\u670813\u65e5\u306e\u5b9a\u4f8b\u66f4\u65b0\u3067\u76f4\u3057\u304d\u308c\u3066\u3044\u306a\u304b\u3063\u305f2\u4ef6\u306e\u4fee\u6b63\u3082\u914d\u308a\u76f4\u3055\u308c\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/dotnet-october-2026-oob-security-updates\/\" target=\"_blank\" rel=\"noopener nofollow\">.NET\u516c\u5f0f\u30d6\u30ed\u30b0\u300110\u670825\u65e5<\/a>\uff09\u3002.NET\u3067\u4f5c\u3063\u305f\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u3084Web\u30a2\u30d7\u30ea\u3092\u5916\u90e8\u306e\u4f1a\u793e\u306b\u4efb\u305b\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u66f4\u65b0\u306e\u4e88\u5b9a\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h2>PHP2Shell\u3068\u306e\u95a2\u4fc2<\/h2>\n<p>\u540c\u3058\u9031\u306b\u516c\u8868\u3055\u308c\u3001\u3069\u3061\u3089\u3082\u300c\u3007\u30072Shell\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u308b\u305f\u3081\u6df7\u540c\u3055\u308c\u304c\u3061\u3067\u3059\u304c\u3001<strong>\u539f\u56e0\u3082\u5bfe\u8c61\u3082\u5225\u306e\u8106\u5f31\u6027<\/strong>\u3067\u3059\u3002<\/p>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.92em;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\"><\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">PHP2Shell<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u4eca\u56de\u306eBrotli<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u8b58\u5225\u756a\u53f7<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">CVE-2026-109618\u30fbCVE-2026-109619<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">CVE-2026-111497<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u554f\u984c\u306e\u5834\u6240<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">PHP\u672c\u4f53<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u4ed5\u7d44\u307fBrotli<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u4e3b\u306a\u5bfe\u8c61<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">PHP\u3067\u52d5\u304fWeb\u30b5\u30a4\u30c8\uff08WordPress\u306a\u3069\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Node.js\u3001.NET\u3001Brotli\u3092\u7d44\u307f\u8fbc\u3093\u3060\u88fd\u54c1<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u60aa\u7528<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u7c73\u56fdCISA\u304c10\u670826\u65e5\u306b\u60aa\u7528\u78ba\u8a8d\u30ea\u30b9\u30c8\u306b\u8ffd\u52a0<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670828\u65e5\u6642\u70b9\u3067\u5831\u544a\u306a\u3057<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u305f\u3060\u3057\u3001PHP\u3082Brotli\u306e\u5f71\u97ff\u3092\u4e00\u90e8\u53d7\u3051\u3066\u3044\u307e\u3059\u3002PHP\u306e\u958b\u767a\u30c1\u30fc\u30e0\u306f10\u670826\u65e5\u3001<strong>Windows\u7248\u3060\u3051<\/strong>\u3092Brotli 1.2.1\u306b\u5165\u308c\u66ff\u3048\u3066\u914d\u308a\u76f4\u3057\u307e\u3057\u305f\u3002Windows\u7248\u306ePHP\u3067\u306f\u3001cURL\uff08\u5916\u90e8\u306e\u30b5\u30a4\u30c8\u3068\u901a\u4fe1\u3059\u308b\u6a5f\u80fd\uff09\u3067\u5fdc\u7b54\u306e\u81ea\u52d5\u5c55\u958b\u3092\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u3001\u554f\u984c\u306e\u90e8\u5206\u3092\u901a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u81ea\u52d5\u5c55\u958b\u306f\u521d\u671f\u8a2d\u5b9a\u3067\u306f\u7121\u52b9\u3067\u3059\u304c\u3001\u30a2\u30d7\u30ea\u3084\u90e8\u54c1\u304c\u6709\u52b9\u306b\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\uff08<a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-26-1\" target=\"_blank\" rel=\"noopener nofollow\">PHP\u516c\u5f0f\u300110\u670826\u65e5<\/a>\uff09\u3002<\/p>\n<p>\u4e00\u822c\u7684\u306aWordPress\u306e\u30b5\u30a4\u30c8\u306fLinux\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u52d5\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306eWindows\u7248\u306e\u914d\u308a\u76f4\u3057\u306f\u76f4\u63a5\u306f\u95a2\u4fc2\u3057\u307e\u305b\u3093\u3002PHP2Shell\u306e\u5bfe\u5fdc\u72b6\u6cc1\u306f<a href=\"\/blog\/2026\/10\/22\/php2shell-hosting-response-status-2026-10\/\">\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u5404\u793e\u306e\u5bfe\u5fdc\u72b6\u6cc1<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n<div data-note=\"consult-cta-mid-2026-10\" style=\"background:#fff;border:1px solid #E0D6CC;border-top:4px solid #A8813F;border-radius:12px;padding:24px 22px;margin:36px 0;\">\n<p style=\"margin:0 0 6px;color:#7D5F22;font-weight:700;font-size:.8em;letter-spacing:.08em;\">\u96fb\u8a71\u3067\u76f8\u8ac7\u3067\u304d\u307e\u3059<\/p>\n<p style=\"margin:0 0 12px;color:#2B2724;font-weight:700;font-size:1.12em;line-height:1.55;\">\u8aad\u307f\u306a\u304c\u3089\u300c\u3046\u3061\u306e\u5834\u5408\u306f\uff1f\u300d\u3068\u601d\u3063\u305f\u3089\u3001\u305d\u306e\u307e\u307e\u96fb\u8a71\u3067\u805e\u3044\u3066\u304f\u3060\u3055\u3044<\/p>\n<p style=\"margin:0 0 6px;color:#4A443D;font-size:.9em;\">\u305f\u3068\u3048\u3070\u3001\u3053\u3093\u306a\u3053\u3068\u3092\u805e\u3044\u3066\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<ul style=\"margin:0 0 18px;padding-left:1.2em;color:#2B2724;font-size:.92em;line-height:1.75;\">\n<li style=\"margin:0 0 6px;\">\u30a2\u30af\u30bb\u30b9\u306f\u3042\u308b\u306e\u306b\u554f\u3044\u5408\u308f\u305b\u304c\u6765\u306a\u3044\u3002\u3069\u3053\u3092\u76f4\u3059\uff1f<\/li>\n<li style=\"margin:0 0 6px;\">\u8a18\u4e8b\u5236\u4f5c\u3092\u5916\u6ce8\u3059\u308b\u3068\u3001\u8cbb\u7528\u306f\u3069\u308c\u304f\u3089\u3044\u304b\u304b\u308b\uff1f<\/li>\n<li style=\"margin:0 0 6px;\">\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306f\u4f5c\u308a\u76f4\u3059\u3079\u304d\u304b\u3001\u76f4\u3059\u3079\u304d\u304b\u8ff7\u3063\u3066\u3044\u308b<\/li>\n<\/ul>\n<p style=\"margin:0 0 8px;\"><a href=\"tel:08044165161\" onclick=\"if(typeof gtag==='function'){gtag('event','phone_click',{cta_position:'article_mid',cta_variant:'web'});}\" aria-label=\"\u96fb\u8a71\u3067\u76f8\u8ac7\u3059\u308b 080-4416-5161\" style=\"display:block;background:#1A1A1A;color:#F2EDE4;text-decoration:none;border-radius:60px;padding:12px 20px;text-align:center;max-width:420px;\"><span style=\"display:block;font-size:.78em;color:#C49A6C;letter-spacing:.06em;\">\u96fb\u8a71\u3067\u76f8\u8ac7\u3059\u308b\uff08\u30bf\u30c3\u30d7\u3067\u767a\u4fe1\uff09<\/span><span style=\"display:block;font-size:1.45em;font-weight:700;letter-spacing:.04em;\">080-4416-5161<\/span><\/a><\/p>\n<p style=\"margin:0 0 4px;color:#4A443D;font-size:.86em;\">\u53d7\u4ed8\uff1a\u5e73\u65e510:00\u301c18:00\uff5c\u62c5\u5f53\u8005\u304c\u76f4\u63a5\u304a\u7b54\u3048\u3057\u307e\u3059<\/p>\n<p style=\"margin:0 0 16px;color:#6B645B;font-size:.84em;\">\u300c\u8a18\u4e8b\u3092\u898b\u305f\u300d\u3068\u304a\u4f1d\u3048\u3044\u305f\u3060\u304f\u3068\u3001\u304a\u8a71\u304c\u30b9\u30e0\u30fc\u30ba\u3067\u3059\u3002<\/p>\n<p style=\"margin:0 0 6px;font-size:.84em;color:#6B645B;\">\u53d7\u4ed8\u6642\u9593\u5916\u306e\u65b9\u30fb\u6587\u7ae0\u3067\u76f8\u8ac7\u3057\u305f\u3044\u65b9\u306f\u3053\u3061\u3089<\/p>\n<p style=\"margin:0 0 14px;\"><a href=\"\/contact\/\" onclick=\"if(typeof gtag==='function'){gtag('event','consult_click',{cta_position:'article_mid',cta_variant:'web'});}\" style=\"display:block;max-width:420px;text-align:center;border:1.5px solid #A8813F;color:#7D5F22;text-decoration:none;border-radius:60px;padding:10px 20px;font-weight:700;font-size:.93em;\">\u30d5\u30a9\u30fc\u30e0\u3067\u76f8\u8ac7\u3059\u308b<span style=\"display:block;font-weight:400;font-size:.82em;color:#6B645B;\">24\u6642\u9593\u4ee5\u5185\u306b\u8fd4\u4fe1\u3057\u307e\u3059<\/span><\/a><\/p>\n<p style=\"margin:0;font-size:.8em;color:#6B645B;line-height:1.9;\">\u2713 \u76f8\u8ac7\u30fb\u898b\u7a4d\u3082\u308a\u306f\u7121\u6599\u3000\u2713 \u55b6\u696d\u96fb\u8a71\u3084\u3057\u3064\u3053\u3044\u52e7\u8a98\u306f\u3057\u307e\u305b\u3093\u3000\u2713 \u60c5\u5831\u53ce\u96c6\u306e\u6bb5\u968e\u3067\u3082\u5927\u4e08\u592b\u3067\u3059<\/p>\n<p><script>(function(){function run(){var bl=document.querySelectorAll('[data-note^=\\'consult-cta\\']');if(!bl.length||!('IntersectionObserver' in window))return;var on=new Set();var io=new IntersectionObserver(function(es){es.forEach(function(e){if(e.isIntersecting){on.add(e.target)}else{on.delete(e.target)}});document.querySelectorAll('.jinrai-floating-banner').forEach(function(f){f.style.visibility=on.size?'hidden':''})});bl.forEach(function(x){io.observe(x)})}if(document.readyState==='loading'){document.addEventListener('DOMContentLoaded',run)}else{run()}})();<\/script>\n<\/div>\n<h2>\u81ea\u793e\u3067\u78ba\u8a8d\u3059\u308b3\u3064\u306e\u624b\u9806<\/h2>\n<h3>\u624b\u98061\uff1aBrotli\u306e\u30c7\u30fc\u30bf\u3092\u300c\u5c55\u958b\u300d\u3057\u3066\u3044\u308b\u5834\u6240\u3092\u6d17\u3044\u51fa\u3059<\/h3>\n<ul>\n<li>Node.js\u3067\u52d5\u304fWeb\u30b5\u30a4\u30c8\u30fbAPI\uff08Next.js\u306a\u3069\u3092\u81ea\u793e\u306e\u30b5\u30fc\u30d0\u30fc\u3067\u52d5\u304b\u3057\u3066\u3044\u308b\u5834\u5408\u3092\u542b\u3080\uff09<\/li>\n<li>.NET\u3067\u4f5c\u3063\u305f\u696d\u52d9\u30b7\u30b9\u30c6\u30e0\u30fbWeb\u30a2\u30d7\u30ea\uff08ASP.NET Core\uff09<\/li>\n<li>Windows\u3067\u52d5\u304b\u3057\u3066\u3044\u308bPHP<\/li>\n<li>\u958b\u767a\u8005\u306e\u30d1\u30bd\u30b3\u30f3\u306eGit for Windows\u3001Visual Studio\u3001PowerShell<\/li>\n<li>Python\u3067\u4f5c\u3063\u305f\u30c4\u30fc\u30eb\u3084\u30d0\u30c3\u30c1\u51e6\u7406<\/li>\n<\/ul>\n<h3>\u624b\u98062\uff1a\u7248\u3092\u78ba\u304b\u3081\u308b<\/h3>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.92em;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\">\u5bfe\u8c61<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u78ba\u304b\u3081\u65b9<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u4fee\u6b63\u7248<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">Node.js<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><code>node -v<\/code><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">22.23.4\u30fb24.22.1\u30fb26.12.1\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">.NET<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><code>dotnet --list-runtimes<\/code><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">8.0.33\u30fb9.0.22\u30fb10.0.14\u4ee5\u4e0a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">PHP\uff08Windows\u7248\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u914d\u5e03\u30d5\u30a1\u30a4\u30eb\u540d\u3084\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u5143\u306e\u8868\u793a\uff08\u672b\u5c3e\u306e\u300c-1\u300d\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">8.5.12-1\u30fb8.4.27-1\u30fb8.3.36-1\u30fb8.2.35-1<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">Git for Windows<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><code>git --version<\/code><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2.56.0.windows.4\u4ee5\u4e0a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>\u624b\u98063\uff1a\u66f4\u65b0\u3057\u3001\u5fc5\u8981\u306a\u3089\u4f5c\u308a\u76f4\u3059<\/h3>\n<p>\u30e9\u30f3\u30bf\u30a4\u30e0\uff08\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u52d5\u304b\u3059\u571f\u53f0\uff09\u3092\u66f4\u65b0\u3059\u308b\u3060\u3051\u3067\u6e08\u3080\u5834\u5408\u3068\u3001<strong>\u30a2\u30d7\u30ea\u3084\u30b3\u30f3\u30c6\u30ca\u3092\u4f5c\u308a\u76f4\u3057\u3066\u914d\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408<\/strong>\u304c\u3042\u308a\u307e\u3059\u3002.NET\u306e\u81ea\u5df1\u5b8c\u7d50\u578b\u306e\u30a2\u30d7\u30ea\u3084\u3001Node.js\u3092\u30b3\u30f3\u30c6\u30ca\u306b\u5165\u308c\u3066\u52d5\u304b\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u5f8c\u8005\u3067\u3059\u3002Vercel\u306f\u3001\u65e2\u5b58\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u914d\u308a\u76f4\u3059\uff08\u518d\u30c7\u30d7\u30ed\u30a4\u3059\u308b\uff09\u3053\u3068\u3067\u4fdd\u8b77\u304c\u6709\u52b9\u306b\u306a\u308b\u3068\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/vercel.com\/kb\/bulletin\/node-js-security-advisory\" target=\"_blank\" rel=\"noopener nofollow\">Vercel<\/a>\uff09\u3002<\/p>\n<h2>WAF\u3067\u5b88\u308c\u308b\u304b<\/h2>\n<p>Cloudflare\u306f10\u670825\u65e5\u3001Brotli\u3067\u5727\u7e2e\u3057\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u3068\u3001Next.js\u306e\u753b\u50cf\u6700\u9069\u5316\u306e\u7d4c\u8def\u3092\u5bfe\u8c61\u306b\u3057\u305f\u7dca\u6025\u306e\u30eb\u30fc\u30eb\u3092\u8ffd\u52a0\u3057\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u521d\u671f\u8a2d\u5b9a\u306f\u300c\u8a18\u9332\u306e\u307f\uff08Log\uff09\u300d\u3067\u3001\u906e\u65ad\u306f\u3057\u307e\u305b\u3093\uff08<a href=\"https:\/\/developers.cloudflare.com\/changelog\/product\/waf\/\" target=\"_blank\" rel=\"noopener nofollow\">Cloudflare<\/a>\uff09\u3002Vercel\u3082\u3001\u3059\u3079\u3066\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u653b\u6483\u306e\u7d4c\u8def\u3092\u9632\u3050\u30eb\u30fc\u30eb\u3092\u81ea\u52d5\u3067\u9069\u7528\u3057\u305f\u3068\u3057\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u95a2\u6570\u304c\u5916\u90e8\u304b\u3089\u53d6\u308a\u8fbc\u3080\u5fdc\u7b54\u306f\u5bfe\u8c61\u5916<\/strong>\u3067\u3059\uff08<a href=\"https:\/\/vercel.com\/kb\/bulletin\/node-js-security-advisory\" target=\"_blank\" rel=\"noopener nofollow\">Vercel<\/a>\uff09\u3002<\/p>\n<p>WAF\uff08Web\u306e\u653b\u6483\u3092\u9632\u3050\u4ed5\u7d44\u307f\uff09\u306f\u6642\u9593\u3092\u7a3c\u3050\u305f\u3081\u306e\u5b88\u308a\u3067\u3001<strong>\u6839\u672c\u7684\u306a\u5bfe\u7b56\u306f\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0<\/strong>\u3067\u3059\u3002<\/p>\n<h2>\u3044\u307e\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068<\/h2>\n<div style=\"overflow-x:auto;margin:20px 0;\">\n<table style=\"width:100%;border-collapse:collapse;font-size:0.92em;\">\n<thead>\n<tr style=\"background:#1A1A1A;\">\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;white-space:nowrap;\">\u78ba\u8a8d\u3059\u308b\u3053\u3068<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u7406\u7531<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u81ea\u793e\u306eWeb\u30b5\u30a4\u30c8\u30fb\u30b7\u30b9\u30c6\u30e0\u306bNode.js\u3084.NET\u304c\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3001\u5236\u4f5c\u4f1a\u793e\u306b\u78ba\u8a8d\u3059\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u3053\u306e2\u3064\u306f\u4fee\u6b63\u7248\u304c\u51fa\u3066\u304a\u308a\u3001\u66f4\u65b0\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">.NET\u306e\u81ea\u5df1\u5b8c\u7d50\u578b\u30a2\u30d7\u30ea\u3084\u30b3\u30f3\u30c6\u30ca\u306f\u3001\u4f5c\u308a\u76f4\u3057\u3066\u914d\u308a\u76f4\u3059<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u5165\u308c\u66ff\u3048\u308b\u3060\u3051\u3067\u306f\u76f4\u3089\u306a\u3044<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Windows\u3067\u52d5\u304fPHP\u306f\u3001\u672b\u5c3e\u304c\u300c-1\u300d\u306e\u7248\u306b\u5165\u308c\u66ff\u3048\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670826\u65e5\u306bBrotli\u306e\u4fee\u6b63\u5165\u308a\u3067\u914d\u308a\u76f4\u3055\u308c\u305f<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">Linux\u306e\u30b5\u30fc\u30d0\u30fc\u306f\u3001OS\u306ebrotli\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u66f4\u65b0\u3092\u78ba\u8a8d\u3059\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">OS\u306e\u90e8\u54c1\u3068\u3057\u3066\u5165\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u958b\u767a\u8005\u306e\u30d1\u30bd\u30b3\u30f3\u306eGit for Windows\u306a\u3069\u3092\u66f4\u65b0\u3059\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u958b\u767a\u30c4\u30fc\u30eb\u306b\u3082\u540c\u68b1\u3055\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">PHP2Shell\u306e\u66f4\u65b0\u3082\u6e08\u3093\u3067\u3044\u308b\u304b\u78ba\u8a8d\u3059\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u5225\u306e\u8106\u5f31\u6027\u3067\u3001\u3053\u3061\u3089\u306f\u60aa\u7528\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>PHP2Shell\u3068\u540c\u3058\u8106\u5f31\u6027\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u3044\u3044\u3048\u3001\u5225\u306e\u8106\u5f31\u6027\u3067\u3059\u3002PHP2Shell\uff08CVE-2026-109618\u30fbCVE-2026-109619\uff09\u306fPHP\u672c\u4f53\u306e\u554f\u984c\u3067\u3001\u4eca\u56de\u306eCVE-2026-111497\u306f\u30c7\u30fc\u30bf\u5727\u7e2e\u306e\u4ed5\u7d44\u307fBrotli\u306e\u554f\u984c\u3067\u3059\u3002\u540c\u3058\u9031\u306b\u516c\u8868\u3055\u308c\u3001\u3069\u3061\u3089\u3082\u300c\u3007\u30072Shell\u300d\u3068\u3044\u3046\u901a\u79f0\u3067\u547c\u3070\u308c\u3066\u3044\u308b\u305f\u3081\u6df7\u540c\u3055\u308c\u304c\u3061\u3067\u3059\u3002PHP\u306f10\u670826\u65e5\u306bWindows\u7248\u3060\u3051\u3092\u3001Brotli\u306e\u4fee\u6b63\u3092\u5165\u308c\u3066\u914d\u308a\u76f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WordPress\u306e\u30b5\u30a4\u30c8\u306f\u5bfe\u8c61\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u4e00\u822c\u7684\u306aWordPress\u306e\u30b5\u30a4\u30c8\uff08Linux\u306e\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\uff09\u306f\u3001PHP\u516c\u5f0f\u306e\u767a\u8868\u306e\u5bfe\u8c61\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002PHP\u304c\u914d\u308a\u76f4\u3057\u305f\u306e\u306fWindows\u7248\u3060\u3051\u3067\u3059\u3002\u305f\u3060\u3057\u30b5\u30fc\u30d0\u30fc\u306eOS\u306b\u5165\u3063\u3066\u3044\u308bBrotli\u306e\u90e8\u54c1\u304c\u66f4\u65b0\u5bfe\u8c61\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u3084OS\u306e\u66f4\u65b0\u60c5\u5831\u306f\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>Windows\u306e\u66f4\u65b0\uff08Windows Update\uff09\u3067\u76f4\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>Microsoft\u306e\u4fee\u6b63\u306e\u5bfe\u8c61\u306f.NET\u3001Visual Studio\u3001PowerShell\u3001Azure Linux\u3067\u3001Windows\u672c\u4f53\u3068Edge\u306f\u5bfe\u8c61\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u305b\u3093\u3002.NET\u3067\u4f5c\u3063\u305f\u30a2\u30d7\u30ea\u306f\u3001.NET\u306e\u4fee\u6b63\u7248\u306b\u66f4\u65b0\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u30a2\u30d7\u30ea\u306b\u30e9\u30f3\u30bf\u30a4\u30e0\u3092\u540c\u68b1\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u4f5c\u308a\u76f4\u3057\u3066\u914d\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>\u3059\u3067\u306b\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n<p>2026\u5e7410\u670828\u65e5\u6642\u70b9\u3067\u3001\u60aa\u7528\u306e\u5831\u544a\u306f\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002\u7c73\u56fdCISA\u306e\u60aa\u7528\u78ba\u8a8d\u30ea\u30b9\u30c8\u306b\u3082\u8f09\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305f\u3060\u3057\u653b\u6483\u306e\u5b9f\u8a3c\u30b3\u30fc\u30c9\u304c\u516c\u958b\u3055\u308c\u3066\u3044\u308b\u3068\u306e\u5831\u9053\u304c\u3042\u308a\u3001JPCERT\/CC\u306f\u4fee\u6b63\u7248\u306e\u65e9\u3081\u306e\u9069\u7528\u3068\u3001\u4fb5\u5bb3\u304c\u306a\u3044\u304b\u306e\u78ba\u8a8d\u3092\u547c\u3073\u304b\u3051\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WAF\u3092\u4f7f\u3063\u3066\u3044\u308c\u3070\u66f4\u65b0\u3057\u306a\u304f\u3066\u3082\u3088\u3044\u3067\u3059\u304b\uff1f<\/h3>\n<p>WAF\uff08Web\u306e\u653b\u6483\u3092\u9632\u3050\u4ed5\u7d44\u307f\uff09\u306f\u4e00\u6642\u7684\u306a\u5b88\u308a\u306b\u306f\u306a\u308a\u307e\u3059\u304c\u3001\u66f4\u65b0\u306e\u4ee3\u308f\u308a\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002Cloudflare\u3084Vercel\u306f\u7dca\u6025\u306e\u30eb\u30fc\u30eb\u3092\u51fa\u3057\u307e\u3057\u305f\u304c\u3001\u5916\u90e8\u304b\u3089\u53d6\u308a\u8fbc\u3080\u30c7\u30fc\u30bf\u306e\u5c55\u958b\u306a\u3069\u3001WAF\u3092\u901a\u3089\u306a\u3044\u7d4c\u8def\u3082\u3042\u308a\u307e\u3059\u3002\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u304c\u6839\u672c\u7684\u306a\u5bfe\u7b56\u3067\u3059\u3002<\/p>\n<div data-note=\"consult-cta-faq-2026-10\" style=\"background:#FBF6EE;border:1px solid #DCBB8E;border-radius:10px;padding:16px 20px;margin:28px 0;\">\n<p style=\"margin:0 0 6px;font-size:.93em;line-height:1.8;color:#2B2724;\"><strong>\u3053\u306e\u8a18\u4e8b\u306b\u8f09\u3063\u3066\u3044\u306a\u3044\u3053\u3068\u3082\u3001\u96fb\u8a71\u3067\u305d\u306e\u307e\u307e\u805e\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/strong>\u62c5\u5f53\u8005\u304c\u76f4\u63a5\u304a\u7b54\u3048\u3057\u307e\u3059\u3002<\/p>\n<p style=\"margin:0 0 4px;font-size:.92em;line-height:1.9;\"><a href=\"tel:08044165161\" onclick=\"if(typeof gtag==='function'){gtag('event','phone_click',{cta_position:'article_faq',cta_variant:'web'});}\" style=\"color:#1A1A1A;font-weight:700;font-size:1.15em;text-decoration:underline;white-space:nowrap;\">080-4416-5161<\/a>\u3000<span style=\"white-space:nowrap;\">\uff08\u5e73\u65e510:00\u301c18:00\uff09<\/span><\/p>\n<p style=\"margin:0;font-size:.88em;\"><a href=\"\/contact\/\" onclick=\"if(typeof gtag==='function'){gtag('event','consult_click',{cta_position:'article_faq',cta_variant:'web'});}\" style=\"color:#7D5F22;white-space:nowrap;\">\u30d5\u30a9\u30fc\u30e0\u3067\u8cea\u554f\u3059\u308b \u2192<\/a><\/p>\n<\/div>\n<h2>\u51fa\u5178<\/h2>\n<ul style=\"font-size:0.9em;line-height:1.85;\">\n<li>CVE\u300cCVE-2026-111497\u300d<br \/><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/www.cve.org\/CVERecord?id=CVE-2026-111497<\/a><\/li>\n<li>NVD\u300cCVE-2026-111497\u300d<br \/><a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2026-111497<\/a><\/li>\n<li>Google\u300cbrotli Releases\uff08v1.2.1\u30fbv1.1.1\u30fbv1.0.10\uff09\u300d\uff082026\u5e7410\u670821\u65e5\uff09<br \/><a href=\"https:\/\/github.com\/google\/brotli\/releases\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/github.com\/google\/brotli\/releases<\/a><\/li>\n<li>Node.js\u300cOctober 2026 Security Releases\u300d\uff082026\u5e7410\u670821\u65e5\uff09<br \/><a href=\"https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/nodejs.org\/en\/blog\/vulnerability\/october-2026-security-releases<\/a><\/li>\n<li>Microsoft\u300c.NET October 2026 Out-of-Band Security Updates\u300d\uff082026\u5e7410\u670825\u65e5\uff09<br \/><a href=\"https:\/\/devblogs.microsoft.com\/dotnet\/dotnet-october-2026-oob-security-updates\/\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/devblogs.microsoft.com\/dotnet\/dotnet-october-2026-oob-security-updates\/<\/a><\/li>\n<li>Microsoft\u300cSecurity Update Guide\uff1aCVE-2026-111497\u300d\uff082026\u5e7410\u670825\u65e5\uff09<br \/><a href=\"https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/msrc.microsoft.com\/update-guide\/vulnerability\/CVE-2026-111497<\/a><\/li>\n<li>PHP\u300cUpdated PHP Windows builds for Brotli security fix\u300d\uff082026\u5e7410\u670826\u65e5\uff09<br \/><a href=\"https:\/\/www.php.net\/archive\/2026.php#2026-10-26-1\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/www.php.net\/archive\/2026.php#2026-10-26-1<\/a><\/li>\n<li>kjdev\/php-ext-brotli\u300c0.21.1\u300d<br \/><a href=\"https:\/\/github.com\/kjdev\/php-ext-brotli\/releases\/tag\/0.21.1\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/github.com\/kjdev\/php-ext-brotli\/releases\/tag\/0.21.1<\/a><\/li>\n<li>Git for Windows\u300cv2.56.0.windows.4\u300d\uff082026\u5e7410\u670826\u65e5\uff09<br \/><a href=\"https:\/\/github.com\/git-for-windows\/git\/releases\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/github.com\/git-for-windows\/git\/releases<\/a><\/li>\n<li>Red Hat\u300cCVE-2026-111497\u300d<br \/><a href=\"https:\/\/access.redhat.com\/security\/cve\/CVE-2026-111497\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/access.redhat.com\/security\/cve\/CVE-2026-111497<\/a><\/li>\n<li>JPCERT\/CC\u300cBrotli\u306eC\u8a00\u8a9e\u5b9f\u88c5\u306b\u304a\u3051\u308b\u5883\u754c\u5916\u66f8\u304d\u8fbc\u307f\u306e\u8106\u5f31\u6027\uff08CVE-2026-111497\uff09\u306b\u95a2\u3059\u308b\u6ce8\u610f\u559a\u8d77\u300d\uff082026\u5e7410\u670826\u65e5\uff09<br \/><a href=\"https:\/\/www.jpcert.or.jp\/at\/2026\/at260034.html\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/www.jpcert.or.jp\/at\/2026\/at260034.html<\/a><\/li>\n<li>Cloudflare\u300cWAF changelog\u300d\uff082026\u5e7410\u670825\u65e5\uff09<br \/><a href=\"https:\/\/developers.cloudflare.com\/changelog\/product\/waf\/\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/developers.cloudflare.com\/changelog\/product\/waf\/<\/a><\/li>\n<li>Vercel\u300cNode.js security advisory: Brotli decoder RCE\u300d<br \/><a href=\"https:\/\/vercel.com\/kb\/bulletin\/node-js-security-advisory\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/vercel.com\/kb\/bulletin\/node-js-security-advisory<\/a><\/li>\n<li>Cyber Security Agency of Singapore\u300cCritical Vulnerability in Node.js\u300d\uff082026\u5e7410\u670823\u65e5\uff09<br \/><a href=\"https:\/\/www.csa.gov.sg\/alerts-and-advisories\/alerts\/al-2026-154\/\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/www.csa.gov.sg\/alerts-and-advisories\/alerts\/al-2026-154\/<\/a><\/li>\n<li>CISA\u300cKnown Exploited Vulnerabilities Catalog\u300d<br \/><a href=\"https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog\" target=\"_blank\" rel=\"noopener nofollow\" style=\"word-break:break-all;\">https:\/\/www.cisa.gov\/known-exploited-vulnerabilities-catalog<\/a><\/li>\n<\/ul>\n<p style=\"font-size:0.88em;color:#6B645B;line-height:1.85;\">\u203b\u672c\u8a18\u4e8b\u306f2026\u5e7410\u670828\u65e5\u6642\u70b9\u306e\u516c\u958b\u60c5\u5831\u306b\u3082\u3068\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u5bfe\u8c61\u306e\u88fd\u54c1\u3084\u4fee\u6b63\u7248\u306f\u4eca\u5f8c\u5897\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u304a\u4f7f\u3044\u306e\u88fd\u54c1\u306e\u6700\u65b0\u60c5\u5831\u306f\u3001\u5404\u793e\u306e\u516c\u5f0f\u767a\u8868\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>\n<div style=\"background:#FBF6EE;border:1px solid #DCBB8E;border-left:5px solid #A8813F;border-radius:10px;padding:20px 24px;margin:32px 0 0;\">\n<p style=\"margin:0 0 10px;font-weight:700;color:#7D5F22;\">\u3042\u308f\u305b\u3066\u8aad\u307f\u305f\u3044<\/p>\n<ul style=\"margin:0;padding-left:1.2em;line-height:1.95;\">\n<li><a href=\"\/blog\/2026\/10\/22\/nodejs-security-release-2026-10\/\">Node.js\u306b\u8106\u5f31\u602710\u4ef6\uff5c\u4fee\u6b63\u7248\u3068\u5404\u793e\u306e\u5bfe\u5fdc\u30102026\u5e7410\u6708\u3011<\/a><\/li>\n<li><a href=\"\/blog\/2026\/10\/21\/php-security-release-2026-10\/\">PHP\u306b\u91cd\u5927\u306a\u8106\u5f31\u60272\u4ef6\uff5cWordPress\u3067\u4eca\u3059\u3050\u78ba\u8a8d\u3059\u308b3\u3064\u306e\u3053\u3068<\/a><\/li>\n<li><a href=\"\/blog\/2026\/10\/22\/php2shell-hosting-response-status-2026-10\/\">PHP\u8106\u5f31\u6027\u306e\u5bfe\u5fdc\u72b6\u6cc1\uff5c\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc15\u793e\u3068\u4e3b\u8981\u30b5\u30fc\u30d3\u30b9<\/a><\/li>\n<li><a href=\"\/blog\/2026\/10\/22\/chrome-156-security-update-2026-10\/\">Chrome 156\u3067\u8106\u5f31\u6027353\u4ef6\u3092\u4fee\u6b63\uff5c\u4eca\u3059\u3050\u66f4\u65b0\u3059\u308b\u65b9\u6cd5<\/a><\/li>\n<\/ul>\n<\/div>\n<div style=\"background:#1A1A1A;border-radius:12px;padding:34px 30px;margin:36px 0 0;\">\n<p style=\"margin:0 0 10px;color:#C49A6C;font-weight:700;font-size:0.8em;letter-spacing:.1em;\">Web\u30b5\u30a4\u30c8\u306e\u4fdd\u5b88\u306e\u3054\u76f8\u8ac7<\/p>\n<p style=\"margin:0 0 14px;color:#E8E8E8;font-weight:700;font-size:1.3em;line-height:1.5;\">\u300c\u3046\u3061\u306e\u30b5\u30a4\u30c8\u306f\u5bfe\u8c61\uff1f\u300d<br \/>\u304b\u3089\u3054\u76f8\u8ac7\u304f\u3060\u3055\u3044<\/p>\n<p style=\"margin:0 0 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