{"id":8106,"date":"2026-10-24T00:20:19","date_gmt":"2026-10-23T15:20:19","guid":{"rendered":"https:\/\/jinrai.co.jp\/blog\/2026\/10\/24\/php-cve-2026-115560-session-upload-progress\/"},"modified":"2026-10-24T00:20:19","modified_gmt":"2026-10-23T15:20:19","slug":"php-cve-2026-115560-session-upload-progress","status":"publish","type":"post","link":"https:\/\/jinrai.co.jp\/en\/blog\/2026\/10\/24\/php-cve-2026-115560-session-upload-progress\/","title":{"rendered":"PHP\u306b3\u4ef6\u76ee\u306e\u8106\u5f31\u6027\uff5cCVE-2026-115560\u3068\u7121\u52b9\u5316\u306e\u624b\u9806"},"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;\">PHP\u306e\u958b\u767a\u30c1\u30fc\u30e0\u306f2026\u5e7410\u670823\u65e5\u3001PHP2Shell\u306b\u7d9a\u304f<strong>\u65b0\u305f\u306a\u8106\u5f31\u6027\uff08CVE-2026-115560\uff09<\/strong>\u3092\u516c\u8868\u3057\u307e\u3057\u305f\u3002\u6761\u4ef6\u304c\u305d\u308d\u3046\u3068\u5916\u90e8\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u52d5\u304b\u3055\u308c\u308b\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u304c\u3001<strong>\u4fee\u6b63\u7248\u306f\u307e\u3060\u51fa\u3066\u304a\u3089\u305a<\/strong>\u3001\u6b21\u306e\u5b9a\u671f\u30ea\u30ea\u30fc\u30b9\u3067\u76f4\u3059\u4e88\u5b9a\u3067\u3059\u3002\u305d\u308c\u307e\u3067\u306e\u5bfe\u7b56\u3068\u3057\u3066\u3001PHP\u516c\u5f0f\u306f<strong>\u300csession.upload_progress.enabled=0\u300d\u306e\u8a2d\u5b9a\u3067\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b<\/strong>\u3088\u3046\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002\u5bfe\u8c61\u306b\u306a\u308b\u306e\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4fdd\u5b58\u5f62\u5f0f\u3092\u5b9f\u884c\u4e2d\u306b\u5207\u308a\u66ff\u3048\u308b\u3001\u3054\u304f\u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u3060\u3051\u3067\u3059\u300210\u670821\u65e5\u306ePHP2Shell\u5bfe\u7b56\u3067\u3053\u306e\u8a2d\u5b9a\u3092\u3059\u3067\u306b\u5165\u308c\u3066\u3044\u308c\u3070\u3001\u8ffd\u52a0\u306e\u4f5c\u696d\u306f\u4e0d\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n<p>10\u670821\u65e5\u306b\u516c\u958b\u3055\u308c\u305fPHP\u306e\u91cd\u5927\u306a\u8106\u5f31\u6027\u300cPHP2Shell\u300d\uff08CVE-2026-109618\u30fbCVE-2026-109619\uff09\u306e\u5bfe\u5fdc\u304c\u307e\u3060\u7d9a\u304f\u306a\u304b\u3001PHP\u306e\u958b\u767a\u30c1\u30fc\u30e0\u306f23\u65e5\u3001\u5225\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u6ce8\u610f\u3092\u547c\u3073\u304b\u3051\u307e\u3057\u305f\u3002\u6d77\u5916\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30e1\u30c7\u30a3\u30a2\u306f\u300c\u4fee\u6b63\u7248\u306e\u516c\u958b\u304b\u3089\u308f\u305a\u304b2\u65e5\u5f8c\u306b\u3001\u672a\u4fee\u6b63\u306e\u8106\u5f31\u6027\u304c\u898b\u3064\u304b\u3063\u305f\u300d\u3068\u76f8\u6b21\u3044\u3067\u5831\u3058\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001PHP\u516c\u5f0f\u306e\u767a\u8868\u3092\u3082\u3068\u306b\u3001\u4eca\u56de\u306e\u8106\u5f31\u6027\u304c\u3069\u3093\u306a\u3082\u306e\u3067\u3001\u8ab0\u304c\u5bfe\u8c61\u306b\u306a\u308b\u306e\u304b\u3001\u4f55\u3092\u3059\u308c\u3070\u3088\u3044\u306e\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002PHP2Shell\u305d\u306e\u3082\u306e\u306e\u8aac\u660e\u3068\u3001\u30b5\u30a4\u30c8\u306e\u78ba\u8a8d\u624b\u9806\u306f<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>\u3001\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u5404\u793e\u306e\u5bfe\u5fdc\u72b6\u6cc1\u306f<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>\u306b\u307e\u3068\u3081\u3066\u3044\u307e\u3059\u3002\u60c5\u5831\u306f2026\u5e7410\u670824\u65e50\u6642\uff08\u65e5\u672c\u6642\u9593\uff09\u6642\u70b9\u306e\u3082\u306e\u3067\u3059\u3002<\/p>\n<h2>\u4f55\u304c\u767a\u8868\u3055\u308c\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;\">\u516c\u8868\u65e5<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2026\u5e7410\u670823\u65e5\uff08PHP\u516c\u5f0f\u30b5\u30a4\u30c8\u306e\u30cb\u30e5\u30fc\u30b9\u300cInformational advisory: Session upload progress\u300d\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\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-2026-115560<\/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;\">\u307e\u308c\u306a\u6761\u4ef6\u306e\u3082\u3068\u3067\u3001\u5916\u90e8\u304b\u3089\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3055\u308c\u308b\uff08\u30ea\u30e2\u30fc\u30c8\u30b3\u30fc\u30c9\u5b9f\u884c\uff09\u7d4c\u8def\u306b\u306a\u308a\u3046\u308b<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u4fee\u6b63\u7248<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>\u672a\u516c\u958b<\/strong>\u3002\u6b21\u306e\u5b9a\u671f\u306e\u30d0\u30b0\u4fee\u6b63\u30ea\u30ea\u30fc\u30b9\u3067\u5bfe\u5fdc\u3057\u3001\u8a73\u3057\u3044\u5185\u5bb9\u3082\u305d\u306e\u3068\u304d\u306b\u516c\u958b\u3059\u308b\u4e88\u5b9a<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u5f71\u97ff\u3092\u53d7\u3051\u308b\u7248\u30fb\u6df1\u523b\u5ea6\u306e\u70b9\u6570<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u672a\u516c\u8868<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">PHP\u516c\u5f0f\u306e\u63a8\u5968<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u6b21\u306e\u30ea\u30ea\u30fc\u30b9\u307e\u3067 <code>session.upload_progress.enabled=0<\/code> \u3092\u8a2d\u5b9a\u3059\u308b<\/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;\">2026\u5e7410\u670824\u65e50\u6642\uff08\u65e5\u672c\u6642\u9593\uff09\u6642\u70b9\u3067\u3001\u60aa\u7528\u306e\u5831\u544a\u306f\u898b\u5f53\u305f\u3089\u306a\u3044<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>PHP\u516c\u5f0f\u306f\u4eca\u56de\u306e\u767a\u8868\u3092\u300c\u60c5\u5831\u63d0\u4f9b\u306e\u305f\u3081\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea\u300d\u3068\u4f4d\u7f6e\u3065\u3051\u3066\u3044\u307e\u3059\u300210\u670821\u65e5\u306ePHP2Shell\u306e\u3088\u3046\u306b\u7dca\u6025\u306e\u4fee\u6b63\u7248\u3092\u51fa\u3059\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u304c\u5b9f\u969b\u306b\u306f\u8d77\u3053\u308a\u306b\u304f\u3044\u305f\u3081\u3001\u901a\u5e38\u306e\u30ea\u30ea\u30fc\u30b9\u306e\u6d41\u308c\u3067\u76f4\u3059<\/strong>\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/www.php.net\/archive\/2026.php\" target=\"_blank\" rel=\"noopener nofollow\">PHP\u516c\u5f0f\u30012026\u5e7410\u670823\u65e5<\/a>\uff09\u3002<\/p>\n<h2>\u5bfe\u8c61\u306b\u306a\u308b3\u3064\u306e\u6761\u4ef6<\/h2>\n<p>PHP\u516c\u5f0f\u306b\u3088\u308b\u3068\u3001\u554f\u984c\u304c\u8d77\u304d\u308b\u306e\u306f\u3001\u6b21\u306e3\u3064\u304c<strong>\u3059\u3079\u3066<\/strong>\u305d\u308d\u3063\u305f\u5834\u5408\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;\">\u6761\u4ef6<\/th>\n<th style=\"padding:11px 14px;color:#C49A6C;text-align:left;\">\u610f\u5473<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">1. \u8a2d\u5b9a\u3067\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4fdd\u5b58\u5f62\u5f0f\uff08<code>session.serialize_handler<\/code>\uff09\u3092 <code>php_binary<\/code> \u307e\u305f\u306f <code>php_serialize<\/code> \u306b\u3057\u3066\u3044\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30ed\u30b0\u30a4\u30f3\u72b6\u614b\u306a\u3069\u3092\u899a\u3048\u3066\u304a\u304f\u300c\u30bb\u30c3\u30b7\u30e7\u30f3\u300d\u306e\u30c7\u30fc\u30bf\u3092\u3001\u6a19\u6e96\u3068\u306f\u9055\u3046\u5f62\u5f0f\u3067\u4fdd\u5b58\u3059\u308b\u8a2d\u5b9a\u306b\u3057\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">2. \u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4e2d\u306b\u3001<code>ini_set()<\/code> \u3067\u4fdd\u5b58\u5f62\u5f0f\u3092 <code>php<\/code> \u306b\u5207\u308a\u66ff\u3048\u3066\u304b\u3089 <code>session_start()<\/code> \u3092\u547c\u3093\u3067\u3044\u308b<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30a2\u30d7\u30ea\u304c\u9014\u4e2d\u3067\u4fdd\u5b58\u5f62\u5f0f\u3092\u5207\u308a\u66ff\u3048\u3066\u304b\u3089\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u3092\u59cb\u3081\u3066\u3044\u308b<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">3. \u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\uff08<code>session.upload_progress<\/code>\uff09\u304c\u6709\u52b9\u306e\u307e\u307e<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u3068\u304d\u306e\u9032\u307f\u5177\u5408\u3092\u8a18\u9332\u3059\u308b\u6a5f\u80fd\u304c\u3001\u521d\u671f\u8a2d\u5b9a\u3069\u304a\u308a\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>3\u3064\u76ee\u306e\u6a5f\u80fd\u306f\u521d\u671f\u8a2d\u5b9a\u3067\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u304c\u30011\u3064\u76ee\u30682\u3064\u76ee\u306f\u3001\u30a2\u30d7\u30ea\u3092\u308f\u3056\u308f\u3056\u305d\u306e\u3088\u3046\u306b\u4f5c\u3089\u306a\u3044\u3068\u8d77\u304d\u307e\u305b\u3093\u3002PHP\u516c\u5f0f\u3082\u300c<strong>\u5b9f\u884c\u4e2d\u306b\u4fdd\u5b58\u5f62\u5f0f\u3092\u5207\u308a\u66ff\u3048\u306a\u3044\u30a2\u30d7\u30ea\u306a\u3089\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u6709\u52b9\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u3066\u3088\u3044<\/strong>\u300d\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>WordPress\u306e\u30b5\u30a4\u30c8\u306f\u5bfe\u8c61\u306b\u306a\u308b\u304b<\/h3>\n<p>WordPress\u672c\u4f53\u306f\u3001PHP\u6a19\u6e96\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u57fa\u672c\u7684\u306b\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u305d\u306e\u305f\u3081\u3001\u4e00\u822c\u7684\u306aWordPress\u306e\u30b5\u30a4\u30c8\u304c\u4eca\u56de\u306e\u6761\u4ef6\u306b\u5f53\u3066\u306f\u307e\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u3084\u72ec\u81ea\u306b\u4f5c\u3063\u305f\u30b7\u30b9\u30c6\u30e0\u306e\u4e2d\u306b\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u6a5f\u80fd\u3092\u4f7f\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u306e\u30d7\u30e9\u30b0\u30a4\u30f3\u304c\u4f7f\u3063\u3066\u3044\u308b\u304b\u3092\u81ea\u793e\u3067\u8abf\u3079\u308b\u306e\u306f\u96e3\u3057\u3044\u305f\u3081\u3001<strong>\u8ff7\u3046\u5834\u5408\u306f\u3001\u6761\u4ef6\u3092\u8abf\u3079\u308b\u3088\u308a\u3082\u3001\u6b21\u306b\u8aac\u660e\u3059\u308b\u7121\u52b9\u5316\u306e\u8a2d\u5b9a\u3092\u5165\u308c\u3066\u3057\u307e\u3046\u307b\u3046\u304c\u78ba\u5b9f<\/strong>\u3067\u3059\u3002<\/p>\n<h2>PHP2Shell\u3068\u306e\u95a2\u4fc2<\/h2>\n<p>\u4eca\u56de\u63a8\u5968\u3055\u308c\u305f\u8a2d\u5b9a <code>session.upload_progress.enabled=0<\/code> \u306f\u300110\u670821\u65e5\u306bPHP2Shell\u306e2\u4ef6\u76ee\uff08CVE-2026-109619\uff09\u306e\u7de9\u548c\u7b56\u3068\u3057\u3066\u793a\u3055\u308c\u305f\u3082\u306e\u3068\u540c\u3058\u3067\u3059\uff08<a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-6wmf-4rv5-p3rp\" target=\"_blank\" rel=\"noopener nofollow\">PHP\u516c\u5f0f\u306e\u30a2\u30c9\u30d0\u30a4\u30b6\u30ea<\/a>\uff09\u3002PHP\u516c\u5f0f\u306f\u3001<strong>\u3059\u3067\u306b\u3053\u306e\u8a2d\u5b9a\u3092\u5165\u308c\u3066\u3044\u308b\u306a\u3089\u3001\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u304a\u3051\u3070\u8ffd\u52a0\u306e\u4f5c\u696d\u306f\u4e0d\u8981<\/strong>\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u30d8\u30c6\u30e0\u30eb\u306f\u3001PHP2Shell\u3078\u306e\u5bfe\u5fdc\u306e\u4e2d\u3067\u3001\u5168\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u3053\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u305f\u3068\u516c\u8868\u3057\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/heteml.jp\/info\/detail\/id\/2954\" target=\"_blank\" rel=\"noopener nofollow\">\u30d8\u30c6\u30e0\u30eb\u30012026\u5e7410\u670822\u65e5<\/a>\uff09\u3002<\/p>\n<p>\u6ce8\u610f\u3057\u305f\u3044\u306e\u306f\u3001<strong>\u3053\u306e\u8a2d\u5b9a\u3060\u3051\u3067\u306fPHP2Shell\u306f\u9632\u3052\u306a\u3044<\/strong>\u3053\u3068\u3067\u3059\u3002PHP2Shell\u306e2\u4ef6\u306f\u3001\u4fee\u6b63\u7248\uff088.5.12\u30fb8.4.27\u30fb8.3.36\u30fb8.2.35\uff09\u304b\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306b\u3088\u308b\u4fee\u6b63\u3067\u3057\u304b\u76f4\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u8a2d\u5b9a\u306f\u3001PHP2Shell\u306e\u4fee\u6b63\u306b<strong>\u8ffd\u52a0\u3067<\/strong>\u5165\u308c\u308b\u3082\u306e\u3068\u8003\u3048\u3066\u304f\u3060\u3055\u3044\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;\">\u8106\u5f31\u6027<\/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;\">\u3044\u307e\u3084\u308b\u3053\u3068<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">CVE-2026-109618\uff08PHP2Shell\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">8.5.12\u30fb8.4.27\u30fb8.3.36\u30fb8.2.35\uff0810\u670821\u65e5\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u4fee\u6b63\u3092\u78ba\u8a8d<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">CVE-2026-109619\uff08PHP2Shell\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u540c\u4e0a<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u540c\u4e0a\u3002\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u7121\u52b9\u5316\u306f\u88dc\u52a9\u7684\u306a\u7de9\u548c\u7b56<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\"><strong>CVE-2026-115560\uff08\u4eca\u56de\uff09<\/strong><\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\"><strong>\u672a\u516c\u958b<\/strong>\uff08\u6b21\u306e\u5b9a\u671f\u30ea\u30ea\u30fc\u30b9\u306e\u4e88\u5b9a\uff09<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b\u624b\u9806<\/h2>\n<p>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u306f\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u3063\u3066\u3044\u308b\u9593\u306b\u300c\u4f55\uff05\u307e\u3067\u9032\u3093\u3060\u304b\u300d\u3092\u753b\u9762\u306b\u51fa\u3059\u305f\u3081\u306b\u4f7f\u308f\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u7121\u52b9\u306b\u3059\u308b\u3068\u3001\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u305f\u9032\u307f\u5177\u5408\u306e\u8868\u793a\u304c\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u304c\u3001<strong>\u30d5\u30a1\u30a4\u30eb\u306e\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u81ea\u4f53\u306f\u3053\u308c\u307e\u3067\u3069\u304a\u308a\u3067\u304d\u307e\u3059<\/strong>\u3002WordPress\u306e\u30e1\u30c7\u30a3\u30a2\u306e\u8ffd\u52a0\u306a\u3069\u3001\u591a\u304f\u306e\u753b\u9762\u306f\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3>\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408<\/h3>\n<p>\u307e\u305a\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u304a\u77e5\u3089\u305b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002PHP2Shell\u3078\u306e\u5bfe\u5fdc\u3067\u3001\u3059\u3067\u306b\u3053\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u305f\u4f1a\u793e\u3082\u3042\u308a\u307e\u3059\u3002\u304a\u77e5\u3089\u305b\u306b\u66f8\u304b\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306b\u300c<strong>session.upload_progress.enabled \u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b<\/strong>\u300d\u3092\u554f\u3044\u5408\u308f\u305b\u308b\u306e\u304c\u78ba\u5b9f\u3067\u3059\u3002\u7ba1\u7406\u753b\u9762\u3067 php.ini \u3092\u7de8\u96c6\u3067\u304d\u308b\u30b5\u30fc\u30d0\u30fc\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u8a2d\u5b9a\u304c\u3069\u3053\u307e\u3067\u53cd\u6620\u3055\u308c\u308b\u304b\u306f\u30b5\u30fc\u30d0\u30fc\u306e\u4ed5\u7d44\u307f\u306b\u3088\u3063\u3066\u9055\u3046\u305f\u3081\u3001\u81ea\u5df1\u5224\u65ad\u3067\u5909\u3048\u308b\u524d\u306b\u3001\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u6848\u5185\u3092\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<h3>VPS\u3084\u30af\u30e9\u30a6\u30c9\u306a\u3069\u3001\u81ea\u793e\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408<\/h3>\n<ul>\n<li><strong>php.ini<\/strong>\uff08Web\u3067\u4f7f\u3063\u3066\u3044\u308bPHP\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\uff09\u306b <code>session.upload_progress.enabled = 0<\/code> \u3092\u66f8\u304f<\/li>\n<li>PHP-FPM\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30d7\u30fc\u30eb\u306e\u8a2d\u5b9a\u30d5\u30a1\u30a4\u30eb\u306b <code>php_admin_flag[session.upload_progress.enabled] = off<\/code> \u3068\u66f8\u304f\u65b9\u6cd5\u3082\u3042\u308b<\/li>\n<li>\u8a2d\u5b9a\u3092\u5909\u3048\u305f\u3089\u3001<strong>PHP-FPM\u3084Apache\u3092\u518d\u8d77\u52d5\u3057\u3066\u3001\u3059\u3079\u3066\u306ePHP\u306e\u51e6\u7406\u306b\u53cd\u6620\u3055\u305b\u308b<\/strong><\/li>\n<li>\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u4e2d\u306e <code>ini_set()<\/code> \u3084\u3001<code>.user.ini<\/code> \u30d5\u30a1\u30a4\u30eb\u3067\u306e\u8a2d\u5b9a\u306b\u306f\u983c\u3089\u306a\u3044\uff08\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u8aad\u307f\u8fbc\u3080\u524d\u306b\u52b9\u304b\u306a\u3044\u305f\u3081\u3001PHP\u516c\u5f0f\u304c\u660e\u8a18\uff09<\/li>\n<\/ul>\n<p>\u30b3\u30de\u30f3\u30c9\u30e9\u30a4\u30f3\u306e <code>php -i<\/code> \u3067\u898b\u3048\u308b\u8a2d\u5b9a\u3068\u3001Web\u3067\u52d5\u3044\u3066\u3044\u308bPHP\u306e\u8a2d\u5b9a\u306f\u3001\u5225\u306e\u30d5\u30a1\u30a4\u30eb\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<strong>Web\u3067\u52d5\u304fPHP\u306b\u53cd\u6620\u3055\u308c\u305f\u304b<\/strong>\u3092\u78ba\u304b\u3081\u3066\u304f\u3060\u3055\u3044\u3002\u78ba\u8a8d\u306e\u305f\u3081\u306b\u8a2d\u5b9a\u306e\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\u30d5\u30a1\u30a4\u30eb\uff08phpinfo\uff09\u3092\u7f6e\u3044\u305f\u5834\u5408\u306f\u3001\u78ba\u8a8d\u304c\u7d42\u308f\u3063\u305f\u3089\u5fc5\u305a\u524a\u9664\u3057\u307e\u3059\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>PHP2Shell\u306e\u60aa\u7528\u306e\u72b6\u6cc1\uff0810\u670824\u65e5\u6642\u70b9\uff09<\/h2>\n<p>\u4eca\u56de\u306e\u8106\u5f31\u6027\u306b\u3064\u3044\u3066\u3001\u60aa\u7528\u306e\u5831\u544a\u306f\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002\u4e00\u65b9\u300110\u670821\u65e5\u306b\u516c\u958b\u3055\u308c\u305fPHP2Shell\u306b\u3064\u3044\u3066\u306f\u3001\u653b\u6483\u306e\u8a66\u307f\u304c\u5927\u91cf\u306b\u89b3\u6e2c\u3055\u308c\u3066\u3044\u307e\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;\">\u767a\u8868\u5143<\/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;\">Amazon<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u4fee\u6b63\u7248\u306e\u516c\u958b\u306e4\u65e5\u524d\u306b\u3001\u653b\u6483\u306e\u8a66\u307f\u3092\u89b3\u6e2c\uff08SecurityWeek\uff09<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">Cloudflare<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u653b\u6483\u306e\u8a66\u307f\u306f\u516c\u958b\u5f8c\u306b\u6025\u5897\u3057\u300110\u670822\u65e5\u65e9\u671d\u307e\u3067\u306b\u6570\u767e\u4e07\u4ef6\u306b\u9054\u3057\u305f\uff08Cybernews\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">watchTowr\u306a\u3069<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u51fa\u56de\u3063\u3066\u3044\u308b\u653b\u6483\u30b3\u30fc\u30c9\u306e\u591a\u304f\u306f\u3001\u5b9f\u969b\u306b\u306f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u306b\u81f3\u3089\u306a\u3044\u3002\u4fb5\u5165\u306b\u6210\u529f\u3057\u305f\u4f8b\u306f\u78ba\u8a8d\u3055\u308c\u3066\u3044\u306a\u3044<\/td>\n<\/tr>\n<tr style=\"background:#FBF8F3;\">\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">VulnCheck<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">\u4e2d\u56fd\u306eIP\u30a2\u30c9\u30ec\u30b9\u304b\u3089Web\u30b7\u30a7\u30eb\uff08\u9060\u9694\u64cd\u4f5c\u7528\u306e\u30d5\u30a1\u30a4\u30eb\uff09\u3092\u7f6e\u3053\u3046\u3068\u3059\u308b\u8a66\u307f\u30921\u4ef6\u78ba\u8a8d\u3057\u305f\u304c\u3001\u5931\u6557\u3057\u305f\uff08Techaeris\uff09<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;white-space:nowrap;\">\u7c73CISA<\/td>\n<td style=\"padding:11px 14px;border-top:1px solid #ECE3D5;\">10\u670822\u65e5\u6642\u70b9\u3067\u3001\u5b9f\u969b\u306b\u60aa\u7528\u3055\u308c\u305f\u8106\u5f31\u6027\u306e\u4e00\u89a7\u306b\u306f\u8f09\u3063\u3066\u3044\u306a\u3044\uff08Techaeris\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>\u51fa\u5178\u306f<a href=\"https:\/\/www.securityweek.com\/php2shell-patches-land-as-first-exploitation-attempts-hit-sensors\/\" target=\"_blank\" rel=\"noopener nofollow\">SecurityWeek\uff082026\u5e7410\u670821\u65e5\uff09<\/a>\u3001<a href=\"https:\/\/cybernews.com\/security\/php2shell-attacks-php-new-vulnerabilities-found\/\" target=\"_blank\" rel=\"noopener nofollow\">Cybernews\uff082026\u5e7410\u670823\u65e5\uff09<\/a>\u3001<a href=\"https:\/\/techaeris.com\/2026\/10\/23\/php2shell-fallout-php-discloses-3rd-flaw\/\" target=\"_blank\" rel=\"noopener nofollow\">Techaeris\uff082026\u5e7410\u670823\u65e5\uff09<\/a>\u3067\u3059\u3002<strong>\u300c\u8a66\u307f\u306f\u3042\u308b\u304c\u3001\u6210\u529f\u3057\u305f\u4fb5\u5165\u306f\u307e\u3060\u78ba\u8a8d\u3055\u308c\u3066\u3044\u306a\u3044\u300d<\/strong>\u3068\u3044\u3046\u306e\u304c\u73fe\u6642\u70b9\u306e\u5168\u4f53\u50cf\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u653b\u6483\u306e\u8a66\u307f\u304c\u7d9a\u3044\u3066\u3044\u308b\u4ee5\u4e0a\u3001\u4fee\u6b63\u3057\u3066\u3044\u306a\u3044\u30b5\u30fc\u30d0\u30fc\u304c\u72d9\u308f\u308c\u308b\u72b6\u6cc1\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u56fd\u5185\u306e\u516c\u7684\u6a5f\u95a2\u306e\u767a\u8868<\/h3>\n<p>\u56fd\u5185\u3067\u306f10\u670822\u65e5\u306b\u3001IPA\u304c\u300cPHP\u306e\u8106\u5f31\u6027\u5bfe\u7b56\u306b\u3064\u3044\u3066\uff08PHP2shell\uff09\u300d\u3001JPCERT\/CC\u304c\u300cPHP\u306b\u304a\u3051\u308b\u8907\u6570\u306e\u8106\u5f31\u6027\u306b\u95a2\u3059\u308b\u6ce8\u610f\u559a\u8d77\u300d\u3092\u516c\u958b\u3057\u307e\u3057\u305f\u3002\u3069\u3061\u3089\u3082\u60aa\u7528\u3092\u78ba\u8a8d\u3057\u305f\u3068\u306f\u66f8\u3044\u3066\u304a\u3089\u305a\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u3092\u6700\u512a\u5148\u3068\u3057\u3001\u3059\u3050\u306b\u66f4\u65b0\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u30a2\u30af\u30bb\u30b9\u5236\u9650\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u4e00\u6642\u505c\u6b62\u3082\u691c\u8a0e\u3059\u308b\u3088\u3046\u6c42\u3081\u3066\u3044\u307e\u3059\uff08<a href=\"https:\/\/www.ipa.go.jp\/security\/security-alert\/2026\/alert20261022.html\" target=\"_blank\" rel=\"noopener nofollow\">IPA<\/a>\u30fb<a href=\"https:\/\/www.jpcert.or.jp\/at\/2026\/at260033.html\" target=\"_blank\" rel=\"noopener nofollow\">JPCERT\/CC<\/a>\uff09\u3002JPCERT\/CC\u306f\u3001\u653b\u6483\u3092\u53d7\u3051\u305f\u75d5\u8de1\u306e\u76ee\u5b89\u3068\u3057\u3066\u3001<strong>\u7570\u5e38\u306a\u5024\u3092\u542b\u3080PHPSESSID\u306eCookie\u3001\u4e0d\u5be9\u306amultipart\/form-data\u5f62\u5f0f\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3001PHP\u306e\u51e6\u7406\u3092\u62c5\u3046\u30d7\u30ed\u30bb\u30b9\u306e\u7570\u5e38\u7d42\u4e86\u3084\u983b\u7e41\u306a\u518d\u8d77\u52d5<\/strong>\u3092\u6319\u3052\u3066\u3044\u307e\u3059\u30022026\u5e7410\u670824\u65e50\u6642\uff08\u65e5\u672c\u6642\u9593\uff09\u6642\u70b9\u3067\u3001\u4e21\u6a5f\u95a2\u306e\u767a\u8868\u306b\u4eca\u56de\u306eCVE-2026-115560\u3078\u306e\u8a00\u53ca\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u3044\u307e\u78ba\u8a8d\u3059\u3079\u304d\u3053\u3068<\/h2>\n<ul>\n<li>PHP2Shell\u306e\u4fee\u6b63\uff088.4.27\u306a\u3069\u306e\u4fee\u6b63\u7248\u3001\u307e\u305f\u306f\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u4fee\u6b63\uff09\u304c\u6e08\u3093\u3067\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f<\/li>\n<li>\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u304a\u77e5\u3089\u305b\u3067\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\uff08session.upload_progress\uff09\u304c\u7121\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3057\u305f<\/li>\n<li>\u81ea\u793e\u3067\u30b5\u30fc\u30d0\u30fc\u3092\u7ba1\u7406\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001php.ini\u304bFPM\u306e\u8a2d\u5b9a\u3067\u7121\u52b9\u306b\u3057\u3001PHP\u3092\u518d\u8d77\u52d5\u3057\u305f<\/li>\n<li>Web\u3067\u52d5\u304fPHP\u306b\u8a2d\u5b9a\u304c\u53cd\u6620\u3055\u308c\u305f\u3053\u3068\u3092\u78ba\u304b\u3081\u3001\u78ba\u8a8d\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u7f6e\u3044\u305f\u5834\u5408\u306f\u524a\u9664\u3057\u305f<\/li>\n<li>\u72ec\u81ea\u306e\u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u3063\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u5236\u4f5c\u4f1a\u793e\u306b\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4fdd\u5b58\u5f62\u5f0f\u3092\u5b9f\u884c\u4e2d\u306b\u5207\u308a\u66ff\u3048\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u8a8d\u3057\u305f<\/li>\n<li>\u6b21\u306ePHP\u306e\u5b9a\u671f\u30ea\u30ea\u30fc\u30b9\u3067\u3001\u4eca\u56de\u306e\u4fee\u6b63\u7248\u304c\u51fa\u305f\u3089\u66f4\u65b0\u3059\u308b\u4e88\u5b9a\u3092\u7acb\u3066\u305f<\/li>\n<\/ul>\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n<h3>\u3046\u3061\u306e\u30b5\u30a4\u30c8\u306f\u5bfe\u8c61\u3067\u3059\u304b\uff1f<\/h3>\n<p>\u5bfe\u8c61\u306b\u306a\u308b\u306e\u306f\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u4fdd\u5b58\u5f62\u5f0f\u3092\u8a2d\u5b9a\u3067\u6a19\u6e96\u4ee5\u5916\u306b\u3057\u3001\u3055\u3089\u306b\u5b9f\u884c\u4e2d\u306b\u5207\u308a\u66ff\u3048\u3066\u3044\u308b\u3001\u3054\u304f\u4e00\u90e8\u306e\u30a2\u30d7\u30ea\u3067\u3059\u3002\u4e00\u822c\u7684\u306aWordPress\u306e\u30b5\u30a4\u30c8\u304c\u5f53\u3066\u306f\u307e\u308b\u53ef\u80fd\u6027\u306f\u4f4e\u3044\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u5224\u65ad\u304c\u96e3\u3057\u3044\u305f\u3081\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u3066\u304a\u304f\u306e\u304c\u78ba\u5b9f\u3067\u3059\u3002<\/p>\n<h3>10\u670821\u65e5\u306bPHP\u3092\u66f4\u65b0\u3057\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u5206\u3082\u76f4\u3063\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u76f4\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u8106\u5f31\u6027\u306e\u4fee\u6b63\u7248\u306f\u307e\u3060\u51fa\u3066\u304a\u3089\u305a\u3001\u6b21\u306e\u5b9a\u671f\u30ea\u30ea\u30fc\u30b9\u3067\u5bfe\u5fdc\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002\u305d\u308c\u307e\u3067\u306f\u3001session.upload_progress.enabled=0 \u306e\u8a2d\u5b9a\u3067\u5b88\u308a\u307e\u3059\u3002<\/p>\n<h3>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b\u3068\u3001\u30b5\u30a4\u30c8\u306b\u5f71\u97ff\u306f\u3042\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u30d5\u30a1\u30a4\u30eb\u3092\u9001\u308b\u3068\u304d\u306e\u9032\u307f\u5177\u5408\u3092\u8868\u793a\u3059\u308b\u6a5f\u80fd\u304c\u4f7f\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u304c\u3001\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u81ea\u4f53\u306f\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u4f7f\u3063\u305f\u9032\u6357\u8868\u793a\u3092\u72ec\u81ea\u306b\u4f5c\u3063\u3066\u3044\u308b\u5834\u5408\u3092\u9664\u304d\u3001\u307b\u3068\u3093\u3069\u306e\u30b5\u30a4\u30c8\u3067\u76ee\u306b\u898b\u3048\u308b\u5f71\u97ff\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u3053\u306e\u8a2d\u5b9a\u3092\u5165\u308c\u308c\u3070\u3001PHP2Shell\u306e\u5bfe\u7b56\u3082\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u304b\uff1f<\/h3>\n<p>\u306a\u308a\u307e\u305b\u3093\u3002PHP2Shell\u306e2\u4ef6\u306f\u3001\u4fee\u6b63\u7248\u3078\u306e\u66f4\u65b0\u304b\u30b5\u30fc\u30d0\u30fc\u4f1a\u793e\u306e\u4fee\u6b63\u3067\u3057\u304b\u76f4\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306e\u8a2d\u5b9a\u306f\u3001PHP2Shell\u306e\u4fee\u6b63\u306b\u52a0\u3048\u3066\u5165\u308c\u308b\u3082\u306e\u3067\u3059\u3002<\/p>\n<h3>\u4eca\u56de\u306e\u8106\u5f31\u6027\u306f\u60aa\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u304b\uff1f<\/h3>\n<p>2026\u5e7410\u670824\u65e50\u6642\uff08\u65e5\u672c\u6642\u9593\uff09\u6642\u70b9\u3067\u3001\u60aa\u7528\u306e\u5831\u544a\u306f\u898b\u5f53\u305f\u308a\u307e\u305b\u3093\u3002PHP\u516c\u5f0f\u3082\u3001\u6761\u4ef6\u306e\u7d44\u307f\u5408\u308f\u305b\u306f\u5b9f\u969b\u306b\u306f\u8d77\u3053\u308a\u306b\u304f\u3044\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u65b9\u3067\u3001PHP2Shell\u306b\u306f\u5927\u91cf\u306e\u653b\u6483\u306e\u8a66\u307f\u304c\u7d9a\u3044\u3066\u3044\u308b\u305f\u3081\u3001\u305d\u3061\u3089\u306e\u4fee\u6b63\u306f\u5fc5\u305a\u6e08\u307e\u305b\u3066\u304f\u3060\u3055\u3044\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>PHP\u300cInformational advisory: Session upload progress\u300d\uff082026\u5e7410\u670823\u65e5\uff09<br \/><a href=\"https:\/\/www.php.net\/archive\/2026.php\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.php.net\/archive\/2026.php<\/a><\/li>\n<li>PHP\u300cGHSA-6wmf-4rv5-p3rp\uff1aRCE via stale global state\uff08CVE-2026-109619\uff09\u300d\uff082026\u5e7410\u670821\u65e5\uff09<br \/><a href=\"https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-6wmf-4rv5-p3rp\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/github.com\/php\/php-src\/security\/advisories\/GHSA-6wmf-4rv5-p3rp<\/a><\/li>\n<li>IPA\u300cPHP\u306e\u8106\u5f31\u6027\u5bfe\u7b56\u306b\u3064\u3044\u3066(CVE-2026-109618\u3001CVE-2026-109619\uff1aPHP2shell)\u300d\uff082026\u5e7410\u670822\u65e5\uff09<br \/><a href=\"https:\/\/www.ipa.go.jp\/security\/security-alert\/2026\/alert20261022.html\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.ipa.go.jp\/security\/security-alert\/2026\/alert20261022.html<\/a><\/li>\n<li>JPCERT\/CC\u300cPHP\u306b\u304a\u3051\u308b\u8907\u6570\u306e\u8106\u5f31\u6027\uff08CVE-2026-109618\u3001CVE-2026-109619\uff09\u306b\u95a2\u3059\u308b\u6ce8\u610f\u559a\u8d77\u300d\uff082026\u5e7410\u670822\u65e5\uff09<br \/><a href=\"https:\/\/www.jpcert.or.jp\/at\/2026\/at260033.html\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.jpcert.or.jp\/at\/2026\/at260033.html<\/a><\/li>\n<li>\u30d8\u30c6\u30e0\u30eb\u300cPHP\u306e\u8106\u5f31\u6027\u3078\u306e\u5bfe\u5fdc\u306b\u95a2\u3059\u308b\u3054\u5831\u544a\u300d\uff082026\u5e7410\u670822\u65e5\uff09<br \/><a href=\"https:\/\/heteml.jp\/info\/detail\/id\/2954\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/heteml.jp\/info\/detail\/id\/2954<\/a><\/li>\n<li>SecurityWeek\u300cPHP2Shell Patches Land as First Exploitation Attempts Hit Sensors\u300d\uff082026\u5e7410\u670821\u65e5\uff09<br \/><a href=\"https:\/\/www.securityweek.com\/php2shell-patches-land-as-first-exploitation-attempts-hit-sensors\/\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/www.securityweek.com\/php2shell-patches-land-as-first-exploitation-attempts-hit-sensors\/<\/a><\/li>\n<li>Cybernews\u300cMillions of PHP attacks recorded as new unpatched vulnerability discovered\u300d\uff082026\u5e7410\u670823\u65e5\uff09<br \/><a href=\"https:\/\/cybernews.com\/security\/php2shell-attacks-php-new-vulnerabilities-found\/\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/cybernews.com\/security\/php2shell-attacks-php-new-vulnerabilities-found\/<\/a><\/li>\n<li>Techaeris\u300cPHP2Shell Fallout Continues as PHP Discloses a Third Flaw\u300d\uff082026\u5e7410\u670823\u65e5\uff09<br \/><a href=\"https:\/\/techaeris.com\/2026\/10\/23\/php2shell-fallout-php-discloses-3rd-flaw\/\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/techaeris.com\/2026\/10\/23\/php2shell-fallout-php-discloses-3rd-flaw\/<\/a><\/li>\n<li>lilting channel\u300cPHP CVE-2026-115560 only hits apps that switch serialize_handler to php at runtime\u300d\uff082026\u5e7410\u670823\u65e5\u3001\u500b\u4eba\u306b\u3088\u308b\u89e3\u8aac\uff09<br \/><a href=\"https:\/\/lilting.ch\/en\/articles\/php-cve-2026-115560-serialize-handler\" target=\"_blank\" rel=\"noopener nofollow\">https:\/\/lilting.ch\/en\/articles\/php-cve-2026-115560-serialize-handler<\/a><\/li>\n<\/ul>\n<p style=\"font-size:0.88em;color:#6B645B;line-height:1.85;\">\u203b\u672c\u8a18\u4e8b\u306f2026\u5e7410\u670824\u65e50\u6642\uff08\u65e5\u672c\u6642\u9593\uff09\u6642\u70b9\u306e\u516c\u958b\u60c5\u5831\u306b\u3082\u3068\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u8106\u5f31\u6027\u306e\u8a73\u3057\u3044\u5185\u5bb9\u3068\u4fee\u6b63\u7248\u306f\u3001PHP\u306e\u6b21\u306e\u5b9a\u671f\u30ea\u30ea\u30fc\u30b9\u3067\u516c\u958b\u3055\u308c\u308b\u4e88\u5b9a\u3067\u3059\u3002\u6700\u65b0\u306e\u60c5\u5831\u306fPHP\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\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\/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\/unauthorized-access-cases-2026\/\">\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306e\u88ab\u5bb3\u4e8b\u4f8b283\u4ef6\uff5c2026\u5e747\u301c10\u6708\u306e\u56fd\u5185\u307e\u3068\u3081<\/a><\/li>\n<li><a href=\"\/blog\/2026\/04\/14\/wordpress-update-restore\/\">WordPress\u306e\u66f4\u65b0\u65b9\u6cd5\uff5c\u653e\u7f6e\u30b5\u30a4\u30c8\u306e\u5b89\u5168\u306a\u5fa9\u65e7\u624b\u9806<\/a><\/li>\n<li><a 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