{"id":72307,"date":"2026-10-30T19:42:40","date_gmt":"2026-10-30T10:42:40","guid":{"rendered":"https:\/\/kinsta.com\/jp\/?p=72307&preview=true&preview_id=72307"},"modified":"2026-10-30T20:27:42","modified_gmt":"2026-10-30T11:27:42","slug":"php2shell-patch-rollout","status":"publish","type":"post","link":"https:\/\/kinsta.com\/jp\/blog\/php2shell-patch-rollout\/","title":{"rendered":"PHP2Shell\u3078\u306e\u7dca\u6025\u5bfe\u5fdc\u2500Kinsta\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u306e\u821e\u53f0\u88cf"},"content":{"rendered":"

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<\/div><\/kinsta-auto-toc>\n

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\u3055\u3089\u306bCloudflare\u306f\u3001HTTP\u30ea\u30af\u30a8\u30b9\u30c8\u3060\u3051\u3067\u306a\u304f\u3001\u30b5\u30fc\u30d0\u30fc\u304b\u3089\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u3082\u5206\u6790\u3059\u308b\u30d5\u30eb\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u691c\u51fa\u6a5f\u80fd<\/a>\u3092\u5c0e\u5165\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0d\u5be9\u306a\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u7279\u5b9a\u3059\u308b\u305f\u3081\u306e\u60c5\u5831\u304c\u5897\u3048\u3001\u691c\u51fa\u6761\u4ef6\u306b\u4e00\u81f4\u3057\u305f\u30ec\u30b9\u30dd\u30f3\u30b9\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u5143\u306b\u8fd4\u3055\u308c\u308b\u306e\u3092\u9632\u3050\u3053\u3068\u3082\u53ef\u80fd\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n

Kinsta\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u3082\u3001\u65b0\u3057\u3044\u30eb\u30fc\u30eb\u304c\u516c\u958b\u3055\u308c\u308b\u306b\u3064\u308c\u3066\u3001\u653b\u6483\u306e\u30d1\u30bf\u30fc\u30f3\u304c\u5909\u5316\u3057\u3066\u3044\u304f\u69d8\u5b50\u3092\u78ba\u8a8d\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

10\u670823\u65e5\u307e\u3067\u306b\u3001Kinsta\u306e\u30b5\u30a4\u30c8\u306b\u9069\u7528\u3055\u308c\u305fCloudflare\u306e\u4fdd\u8b77\u6a5f\u80fd\u306f\u3001PHP2Shell\u3092\u72d9\u3063\u305f55\u4e07\u4ef6\u4ee5\u4e0a\u306e\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u30d6\u30ed\u30c3\u30af<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

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PHP\u306e\u8a2d\u5b9a\u5909\u66f4\u306b\u3088\u308b\u4e00\u6642\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56<\/h3>\n

Kinsta\u3067\u306f\u3001Cloudflare\u306b\u3088\u308b\u4fdd\u8b77\u3060\u3051\u306b\u983c\u3089\u305a\u3001\u8ffd\u52a0\u306e\u5bfe\u7b56\u3082\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u6e08\u307f\u306ePHP\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u516c\u958b\u3055\u308c\u308b\u307e\u3067\u306e\u9593\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8\u9580\u306f\u30b5\u30fc\u30d0\u30fc\u74b0\u5883\u5168\u4f53\u306bPHP\u306e\u8a2d\u5b9a\u5909\u66f4\u3092\u9069\u7528\u3057\u3001\u65e2\u77e5\u306e\u653b\u6483\u624b\u6cd5\u306b\u3088\u308b\u30ea\u30b9\u30af\u306e\u8efd\u6e1b\u3092\u56f3\u308a\u307e\u3057\u305f\u3002<\/p>\n

\u305d\u306e\u4e00\u3064\u304c\u3001session.upload_progress.enabled\u306e\u8a2d\u5b9a\u3092\u5909\u66f4\u3057\u3001PHP\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u6a5f\u80fd\u3092\u7121\u52b9\u5316\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>\n

PHP\u306e\u516c\u5f0f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u52e7\u544a<\/a>\u3067\u3082\u3001\u3053\u306e\u8a2d\u5b9a\u306e\u5909\u66f4\u304c\u4e00\u90e8\u306e\u653b\u6483\u624b\u6cd5\u306b\u5bfe\u3059\u308b\u7de9\u548c\u7b56\u3068\u3057\u3066\u6319\u3052\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3059\u308b\u3053\u3068\u3067\u3001PHP\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u51e6\u7406\u3092\u60aa\u7528\u3059\u308b\u653b\u6483\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u4eca\u56de\u306e\u8106\u5f31\u6027\u3092\u60aa\u7528\u3059\u308b\u3059\u3079\u3066\u306e\u653b\u6483\u3092\u9632\u3052\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3068PHP\u306e\u8a2d\u5b9a\u5909\u66f4\u306f\u3001\u516c\u5f0f\u30d1\u30c3\u30c1\u306e\u516c\u958b\u524d\u3084\u9069\u7528\u4f5c\u696d\u4e2d\u306e\u30b5\u30a4\u30c8\u3092\u4fdd\u8b77\u3059\u308b\u305f\u3081\u306e\u8ffd\u52a0\u5bfe\u7b56\u3068\u3057\u3066\u6709\u52b9\u3067\u3057\u305f\u304c\u3001\u8106\u5f31\u6027\u3092\u6839\u672c\u7684\u306b\u89e3\u6d88\u3059\u308b\u306b\u306f\u3001PHP\u81ea\u4f53\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

10\u670823\u65e5\u3001PHP\u306e\u958b\u767a\u90e8\u9580\u306f\u8ffd\u52a0\u306e\u52e7\u544a\u3092\u516c\u958b\u3057\u3001\u6b21\u306e\u30d0\u30b0\u4fee\u6b63\u7248\u304c\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u308b\u307e\u3067\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u9032\u6357\u6a5f\u80fd\u3092\u7121\u52b9\u306b\u3057\u3066\u304a\u304f\u3053\u3068\u3092\u63a8\u5968\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001Kinsta\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u304c\u3059\u3067\u306b\u5b9f\u65bd\u3057\u3066\u3044\u305f\u4e88\u9632\u63aa\u7f6e\u306e\u59a5\u5f53\u6027\u3092\u88cf\u4ed8\u3051\u308b\u3082\u306e\u3067\u3057\u305f\u3002<\/p>\n

Kinsta\u3067\u306f\u3001\u5404\u74b0\u5883\u3078\u306ePHP\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u306e\u9069\u7528\u72b6\u6cc1\u306b\u304b\u304b\u308f\u3089\u305a\u3001\u30d1\u30c3\u30c1\u306e\u5c55\u958b\u304c\u5b8c\u4e86\u3059\u308b\u307e\u3067\u3001Cloudflare\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3068PHP\u306e\u8a2d\u5b9a\u5909\u66f4\u306b\u3088\u308b\u4fdd\u8b77\u3092\u7d99\u7d9a\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u6570\u5341\u4e07\u306e\u30b3\u30f3\u30c6\u30ca\u3078\u306ePHP\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u306e\u9069\u7528<\/h2>\n

10\u670821\u65e5\u306bPHP\u306e\u958b\u767a\u30c1\u30fc\u30e0\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u516c\u958b\u3059\u308b\u3068\u3001\u6b21\u306e\u8ab2\u984c\u306f\u3001\u30b5\u30fc\u30d0\u30fc\u57fa\u76e4\u5168\u4f53\u306b\u4fee\u6b63\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3057\u305f\u3002<\/p>\n

\u516c\u5f0f\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f\u306e\u306f\u3001PHP 8.2.35\u30018.3.36\u30018.4.27\u30018.5.12\u3067\u3059\u3002\u4e00\u65b9\u3001Kinsta\u3067\u306f\u3053\u308c\u3089\u3088\u308a\u53e4\u3044\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u306e\u30e1\u30f3\u30c6\u30ca\u30fc\u304c\u63d0\u4f9b\u3059\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fee\u6b63\u3082\u5fc5\u8981\u3067\u3057\u305f\u3002<\/p>\n

\u305d\u3053\u3067\u3001PHP\u30d1\u30c3\u30b1\u30fc\u30b8\u306e\u63d0\u4f9b\u5143\u3067\u3042\u308bFreexian<\/a>\u3068\u9023\u643a\u3057\u3001\u9577\u671f\u30b5\u30dd\u30fc\u30c8\u5bfe\u8c61\u306e\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u3092\u542b\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u57fa\u76e4\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u5404PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4fee\u6b63\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u5165\u624b\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u4fee\u6b63\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u306f\u3001\u3059\u3079\u3066\u540c\u6642\u306b\u516c\u958b\u3055\u308c\u305f\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u9806\u6b21\u63d0\u4f9b\u3055\u308c\u307e\u3057\u305f\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8\u9580\u306f\u3001\u5404\u30d1\u30c3\u30b1\u30fc\u30b8\u304cKinsta\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30df\u30e9\u30fc\u306b\u5c4a\u304f\u305f\u3073\u306b\u691c\u8a3c\u3092\u884c\u3044\u3001\u3059\u3079\u3066\u306ePHP\u30d0\u30fc\u30b8\u30e7\u30f3\u304c\u63c3\u3046\u306e\u3092\u5f85\u305f\u305a\u306b\u9069\u7528\u4f5c\u696d\u3092\u958b\u59cb\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u4ee5\u4e0b\u306f\u3001PHP\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9069\u7528\u3057\u305f\u969b\u306e\u6642\u7cfb\u5217\u3067\u3059\u3002<\/p>\n

\n\n\n\n\n\n\n\n\n\n
\u65e5\u6642\uff08\u65e5\u672c\u6642\u9593\uff09<\/strong><\/td>\n\u5bfe\u5fdc\u5185\u5bb9<\/strong><\/td>\n<\/tr>\n
10\u670821\u65e5 23:00\u9803\u301c22\u65e5 2:45<\/strong><\/td>\nPHP\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d1\u30c3\u30c1\u304c\u516c\u958b\u300221\u65e523:24\u306bPHP 8.5.12\u304cKinsta\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u30df\u30e9\u30fc\u306b\u5c4a\u304d\u300122\u65e50:54\u306b\u9069\u7528\u3092\u958b\u59cb\u30022:45\u307e\u3067\u306b\u6570\u4e07\u306e\u30b3\u30f3\u30c6\u30ca\u3078\u306e\u66f4\u65b0\u304c\u5b8c\u4e86<\/td>\n<\/tr>\n
10\u670822\u65e5 3:50\u301c4:04<\/strong><\/td>\nPHP 8.3.36\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u3001PHP 8.5\u3068\u4e26\u884c\u3057\u3066\u9069\u7528\u3092\u958b\u59cb<\/td>\n<\/tr>\n
10\u670822\u65e5 6:17\u301c7:28<\/strong><\/td>\nPHP 7.4\u30018.0\u30018.1\u306e\u4fee\u6b63\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5229\u7528\u53ef\u80fd\u306b\u306a\u308a\u30017:28\u304b\u3089\u8ffd\u52a0\u306e\u9069\u7528\u4f5c\u696d\u3092\u958b\u59cb<\/td>\n<\/tr>\n
10\u670822\u65e5 8:25\u301c10:37<\/strong><\/td>\n8:25\u306bPHP 8.2\u30688.4\u306e\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u5c4a\u304d\u300110:37\u306b\u9069\u7528\u3092\u958b\u59cb<\/td>\n<\/tr>\n
10\u670822\u65e5 13:31<\/strong><\/td>\n\u66f4\u65b0\u304c\u5b8c\u4e86\u3057\u3066\u3044\u306a\u3044\u30b3\u30f3\u30c6\u30ca\u306f\u6b8b\u308a1,888\u500b\uff08\u5168\u4f53\u306e\u7d040.5%\uff09\u3068\u306a\u308a\u3001\u8ffd\u52a0\u306e\u5bfe\u5fdc\u304c\u5fc5\u8981\u306a\u72b6\u614b\u306b<\/td>\n<\/tr>\n
10\u670822\u65e5 17:26<\/strong><\/td>\n\u3059\u3079\u3066\u306e\u74b0\u5883\u304c\u4fdd\u8b77\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30a4\u30f3\u30b7\u30c7\u30f3\u30c8\u306e\u89e3\u6c7a\u3092\u5ba3\u8a00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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\u53e4\u3044PHP\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3082\u8ffd\u52a0\u306e\u4fee\u6b63\u304c\u5fc5\u8981\u3060\u3063\u305f\u7406\u7531<\/h3>\n

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PHP\u306e\u958b\u767a\u30c1\u30fc\u30e0\u304c\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u516c\u958b\u3057\u305f\u306e\u306f\u3001PHP 8.2\u301c8.5\u3067\u3059\u3002PHP 7.4\u30018.0\u30018.1\u306a\u3069\u306e\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306f\u3001\u3059\u3067\u306bPHP\u306e\u958b\u767a\u5143\u306b\u3088\u308b\u901a\u5e38\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b5\u30dd\u30fc\u30c8\u304c\u7d42\u4e86\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u9577\u671f\u30b5\u30dd\u30fc\u30c8\u3092\u63d0\u4f9b\u3059\u308b\u30b5\u30fc\u30c9\u30d1\u30fc\u30c6\u30a3\u3092\u901a\u3058\u3066\u3001\u4fee\u6b63\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002<\/p>\n

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Kinsta\u3067\u306f\u3053\u306e\u4ed5\u7d44\u307f\u3092\u5229\u7528\u3057\u3001Freexian\u304b\u3089\u4fee\u6b63\u6e08\u307f\u30d1\u30c3\u30b1\u30fc\u30b8\u304c\u63d0\u4f9b\u3055\u308c\u308b\u305f\u3073\u306b\u3001\u65e7\u30d0\u30fc\u30b8\u30e7\u30f3\u306ePHP\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u74b0\u5883\u306b\u3082\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9069\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n

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Kinsta\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30eb\u30fc\u30eb\u3068PHP\u306e\u8a2d\u5b9a\u5909\u66f4\u306b\u3088\u308b\u8ffd\u52a0\u306e\u4fdd\u8b77\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u3059\u3079\u3066\u306e\u5bfe\u8c61\u74b0\u5883\u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u9032\u3081\u307e\u3057\u305f\u3002<\/p>\n

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10\u670821\u65e5\u306e\u65e9\u671d\u3001Kinsta\u3067\u30db\u30b9\u30c8\u3055\u308c\u3066\u3044\u308b\u30b5\u30a4\u30c8\u3092\u72d9\u3063\u305f\u4e0d\u5be9\u306a\u30a2\u30af\u30bb\u30b9\u304c\u521d\u3081\u3066\u78ba\u8a8d\u3055\u308c\u308b\u3068\u3001\u653b\u6483\u5bfe\u8c61\u3068\u306a\u3063\u305f\u30b5\u30a4\u30c8\u3092\u624b\u52d5\u3067\u8abf\u67fb\u3057\u307e\u3057\u305f\u3002<\/p>\n

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Cloudflare\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30a4\u30d9\u30f3\u30c8\u304b\u3089\u306f\u3001\u653b\u6483\u5bfe\u8c61\u3084\u3001\u65b0\u3057\u3044\u30eb\u30fc\u30eb\u306e\u5c0e\u5165\u306b\u4f34\u3046\u653b\u6483\u30d1\u30bf\u30fc\u30f3\u306e\u5909\u5316\u3092\u628a\u63e1\u3067\u304d\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u3001\u30d6\u30ed\u30c3\u30af\u3055\u308c\u305f\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u4ef6\u6570\u3060\u3051\u3067\u306f\u3001\u653b\u6483\u304c\u6210\u529f\u3057\u305f\u304b\u3069\u3046\u304b\u307e\u3067\u306f\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n

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