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Cwe 20

🧬 CWE Related 125
slug: cwe-20

Explanation

CWE-20は「ユーザーから受け取ったデータが、想定された形式・範囲・型かをきちんとチェックせずに使ってしまう欠陥」のことです。 非常に広い概念で、SQLi・XSS・コマンドインジェクションなど多くの攻撃の前段階となります。 「入力は信用するな (Trust Boundaries の概念)」がセキュリティ設計の基本原則です。
📌 Example
多くのCISA KEV登録CVEがこのCWEに分類されており、2024年だけで100件以上の悪用事例があります。
🔗 Related links

🔖 Related tags

Cwe 78120 Cwe 787105 Cwe 41699 Cwe 2296 Cwe 11990 Cwe 9484 Cwe 50270 Cwe 7966 Cwe 8954 Cwe 91844 Cwe 28443 Cwe 28741 Cwe 7740 Cwe 30638 Cwe 84337

🛡 Vulnerabilities tagged with this 1,690

ID Title
CVE-2026-53492 Vulnerability in github.com/containerd/containerd/v2 (CVE-2026-53492)
CVE-2026-53488 Vulnerability in github.com/containerd/containerd (CVE-2026-53488)
CVE-2026-21768 Vulnerability in CVE-2026-21768 (CVE-2026-21768)
CVE-2026-39998 Vulnerability in apache (CVE-2026-39998)
CVE-2026-55602 Vulnerability in http-proxy-middleware (CVE-2026-55602)
CVE-2026-12569 KEV [KEV] Vulnerability in Ptc deserialization (CVE-2026-12569)
CVE-2026-50196 Vulnerability in Steeltoe.Discovery.Eureka (CVE-2026-50196)
CVE-2026-12465 Vulnerability in google (CVE-2026-12465)
CVE-2026-12456 Vulnerability in google (CVE-2026-12456)
CVE-2026-12453 Vulnerability in google (CVE-2026-12453)
CVE-2025-48643 Vulnerability in google (CVE-2025-48643)
CVE-2026-46910 Vulnerability in c (CVE-2026-46910)
CVE-2026-48055 Vulnerability in path-traversal (CVE-2026-48055)
CVE-2026-0142 Vulnerability in c (CVE-2026-0142)
CVE-2026-49444 Vulnerability in n8n (CVE-2026-49444)
CVE-2026-54299 Vulnerability in astro (CVE-2026-54299)
CVE-2026-53537 Vulnerability in python-multipart (CVE-2026-53537)
CVE-2026-12191 Vulnerability in deserialization (CVE-2026-12191)
CVE-2025-58175 Vulnerability in org.geoserver.web:gs-web-app (CVE-2025-58175)
CVE-2026-54133 Vulnerability in jmespath (CVE-2026-54133)
CVE-2026-47196 Vulnerability in CVE-2026-47196 (CVE-2026-47196)
CVE-2026-50633 Vulnerability in apache (CVE-2026-50633)
CVE-2026-50632 Vulnerability in apache (CVE-2026-50632)
CVE-2026-50628 Vulnerability in apache (CVE-2026-50628)
CVE-2026-47370 Vulnerability in CVE-2026-47370 (CVE-2026-47370)
CVE-2026-47369 Vulnerability in CVE-2026-47369 (CVE-2026-47369)
CVE-2026-47367 Vulnerability in CVE-2026-47367 (CVE-2026-47367)
CVE-2026-12025 Vulnerability in google (CVE-2026-12025)
CVE-2026-12034 Vulnerability in Google chrome (CVE-2026-12034)
CVE-2026-12016 Vulnerability in google (CVE-2026-12016)

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