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Cwe 502

🧬 CWE Related 70
slug: cwe-502

Explanation

CWE-502は「シリアライズされたデータ (オブジェクトをバイト列に変換したもの) を信頼せずに復元 (デシリアライズ) してしまう」欠陥です。 Java・Python・PHP・.NETなどで、攻撃者が細工したオブジェクトを送ると任意コード実行されてしまうため、Webサーバー乗っ取りの典型ルートです。
📌 Example
CVE-2017-9805 (Apache Struts2 REST Plugin): XMLデシリアライズによるRCEで、Equifax事件 (1.4億人個人情報流出) の直接原因となった。
🔗 Related links

🔖 Related tags

Cwe 20125 Cwe 78120 Cwe 787105 Cwe 41699 Cwe 2296 Cwe 11990 Cwe 9484 Cwe 7966 Cwe 8954 Cwe 91844 Cwe 28443 Cwe 28741 Cwe 7740 Cwe 30638 Cwe 84337

🛡 Vulnerabilities tagged with this 788

ID Title
CVE-2026-39446 Unauthenticated PHP Object Injection in Kapee < 1.7.0 versions.
CVE-2026-11857 Unsafe Deserialization in csharp (CVE-2026-11857)
CVE-2026-12115 Unsafe Deserialization in wordpress (CVE-2026-12115)
CVE-2026-12256 Contributor PHP Object Injection in Avada <= 3.15.3 versions.
CVE-2025-69108 Unauthenticated PHP Object Injection in Hot Coffee <= 1.7 versions.
CVE-2025-69122 Unauthenticated PHP Object Injection in SeaFood Company <= 1.4 versions.
CVE-2025-60205 Unauthenticated PHP Object Injection in ThemeREX Addons <= 2.36.1.1 versions.
CVE-2026-35300 Unsafe Deserialization in c (CVE-2026-35300)
CVE-2026-48775 Unsafe Deserialization in langgraph-checkpoint (CVE-2026-48775)
CVE-2026-10748 Unsafe Deserialization in CVE-2026-10748 (CVE-2026-10748)
CVE-2026-24228 Unsafe Deserialization in deserialization (CVE-2026-24228)
CVE-2026-48853 Unsafe Deserialization in grpc (CVE-2026-48853)
CVE-2026-49765 Unsafe Deserialization in CVE-2026-49765 (CVE-2026-49765)
CVE-2026-49770 Unauthenticated PHP Object Injection in WP Travel Engine <= 6.7.12 versions.
CVE-2026-49781 Unauthenticated PHP Object Injection in OttoKit <= 1.1.27 versions.
CVE-2026-49768 Unauthenticated PHP Object Injection in Happyforms <= 1.26.13 versions.
CVE-2026-49769 Unauthenticated PHP Object Injection in wpForo Forum <= 3.1.0 versions.
CVE-2026-9691 Unsafe Deserialization in CVE-2026-9691 (CVE-2026-9691)
CVE-2026-49109 Unsafe Deserialization in CVE-2026-49109 (CVE-2026-49109)
CVE-2026-49085 Unsafe Deserialization in CVE-2026-49085 (CVE-2026-49085)
CVE-2026-49104 Unsafe Deserialization in CVE-2026-49104 (CVE-2026-49104)
CVE-2026-49106 Unsafe Deserialization in CVE-2026-49106 (CVE-2026-49106)
CVE-2026-49105 Unsafe Deserialization in CVE-2026-49105 (CVE-2026-49105)
CVE-2026-49763 Unauthenticated PHP Object Injection in Integration for Contact Form 7 HubSpot <= 1.3.7 versions.
CVE-2026-42687 Unauthenticated PHP Object Injection in EventPrime <= 4.3.2.1 versions.
CVE-2026-39532 Contributor PHP Object Injection in Events Calendar for GeoDirectory <= 2.3.25 versions.
CVE-2026-39472 Shop manager PHP Object Injection in WooCommerce PDF Invoices & Packing Slips < 5.9.0 versions.
CVE-2026-39499 Unsafe Deserialization in CVE-2026-39499 (CVE-2026-39499)
CVE-2026-39481 Author PHP Object Injection in Modula Image Gallery <= 2.14.18 versions.
CVE-2026-39498 Shop manager PHP Object Injection in YayMail <= 4.3.3 versions.

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