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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 1,695

ID Title
CVE-2026-42809 Vulnerability in org.apache.polaris:polaris-runtime-service (CVE-2026-42809)
CVE-2026-42810 Vulnerability in org.apache.polaris:polaris-core (CVE-2026-42810)
CVE-2026-42811 Vulnerability in org.apache.polaris:polaris-core (CVE-2026-42811)
CVE-2026-42812 Vulnerability in org.apache.polaris:polaris-runtime-service (CVE-2026-42812)
CVE-2026-37458 Vulnerability in dos (CVE-2026-37458)
CVE-2026-1577 Vulnerability in dos (CVE-2026-1577)
CVE-2026-41654 Vulnerability in weblate (CVE-2026-41654)
CVE-2025-14576 Vulnerability in dos (CVE-2025-14576)
CVE-2024-54011 Vulnerability in hanwhavision (CVE-2024-54011)
CVE-2026-40068 Vulnerability in @anthropic-ai/claude-code (CVE-2026-40068)
CVE-2026-41044 Vulnerability in org.apache.activemq:apache-activemq (CVE-2026-41044)
CVE-2026-40466 Vulnerability in org.apache.activemq:apache-activemq (CVE-2026-40466)
CVE-2026-31192 Vulnerability in raindrop (CVE-2026-31192)
CVE-2025-13826 Vulnerability in dos (CVE-2025-13826)
CVE-2026-33436 Vulnerability in stirlingpdf (CVE-2026-33436)
CVE-2026-21733 Vulnerability in CVE-2026-21733 (CVE-2026-21733)
CVE-2026-34197 KEV [KEV] Vulnerability in Apache activemq (CVE-2026-34197)
CVE-2026-40261 Vulnerability in getcomposer (CVE-2026-40261)
CVE-2026-40176 Vulnerability in getcomposer (CVE-2026-40176)
CVE-2026-6328 Vulnerability in CVE-2026-6328 (CVE-2026-6328)
CVE-2026-33116 Vulnerability in csharp (CVE-2026-33116)
CVE-2026-32203 Vulnerability in csharp (CVE-2026-32203)
CVE-2026-32201 KEV [KEV] Vulnerability in Microsoft sharepoint-server (CVE-2026-32201)
CVE-2012-1854 KEV [KEV] Vulnerability in Microsoft visual-basic-for-applications-vba (CVE-2012-1854)
CVE-2026-5879 Vulnerability in google (CVE-2026-5879)
CVE-2025-48651 Vulnerability in google (CVE-2025-48651)
CVE-2026-34760 Vulnerability in vllm (CVE-2026-34760)
CVE-2026-21712 Vulnerability in CVE-2026-21712 (CVE-2026-21712)
CVE-2026-33894 Vulnerability in digitalbazaar (CVE-2026-33894)
CVE-2026-33758 Vulnerability in openbao (CVE-2026-33758)

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