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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 787

ID Title
CVE-2026-55220 Unsafe Deserialization in pimcore/pimcore (CVE-2026-55220)
CVE-2026-81757 Author Remote Code Execution (RCE) in Rank Math SEO <= 1.0.276 versions.
CVE-2026-82259 Unsafe Deserialization in dos (CVE-2026-82259)
CVE-2026-82222 Unsafe Deserialization in deserialization (CVE-2026-82222)
CVE-2026-78032 Unsafe Deserialization in deserialization (CVE-2026-78032)
CVE-2026-14558 Unsafe Deserialization in wordpress (CVE-2026-14558)
CVE-2026-78614 SQL Injection in sqli (CVE-2026-78614)
CVE-2026-78612 SQL Injection in sqli (CVE-2026-78612)
CVE-2026-59307 Unsafe Deserialization in deserialization (CVE-2026-59307)
CVE-2026-59306 Unsafe Deserialization in deserialization (CVE-2026-59306)
CVE-2026-10036 Unsafe Deserialization in CVE-2026-10036 (CVE-2026-10036)
CVE-2026-78286 Unauthenticated PHP Object Injection in Geo Controller <= 8.9.8 versions.
CVE-2026-78292 Unauthenticated PHP Object Injection in Hash Form <= 1.4.1 versions.
CVE-2026-78276 Editor PHP Object Injection in Fluent Boards Pro <= 2.0.11 versions.
CVE-2026-78257 Contributor PHP Object Injection in Booking and Rental Manager <= 2.7.5 versions.
CVE-2026-59275 Unsafe Deserialization in CVE-2026-59275 (CVE-2026-59275)
CVE-2026-47878 Unsafe Deserialization in CVE-2026-47878 (CVE-2026-47878)
CVE-2026-47864 Unsafe Deserialization in deserialization (CVE-2026-47864)
CVE-2026-47875 Unsafe Deserialization in deserialization (CVE-2026-47875)
CVE-2026-47856 Unsafe Deserialization in deserialization (CVE-2026-47856)
CVE-2026-51106 Vulnerability in cpp (CVE-2026-51106)
CVE-2026-80428 Unsafe Deserialization in CVE-2026-80428 (CVE-2026-80428)
CVE-2021-23758 KEV Ajax.NET Professional Ajax.NET Professional — Ajax.NET Professional Deserialization of Untrusted Data Vulnerability
CVE-2026-79657 Unsafe Deserialization in CVE-2026-79657 (CVE-2026-79657)
CVE-2026-78572 Unsafe Deserialization in wordpress (CVE-2026-78572)
CVE-2026-77138 Unsafe Deserialization in CVE-2026-77138 (CVE-2026-77138)
CVE-2026-56095 Unsafe Deserialization in CVE-2026-56095 (CVE-2026-56095)
CVE-2026-78683 Unsafe Deserialization in deserialization (CVE-2026-78683)
CVE-2026-78265 Unauthenticated PHP Object Injection in The Events Calendar <= 6.17.2 versions.
CVE-2026-78262 Unauthenticated PHP Object Injection in WP Project Manager <= 4.0.6 versions.

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