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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 1,691

ID Title
CVE-2026-0051 Vulnerability in cpp (CVE-2026-0051)
CVE-2026-0018 Vulnerability in dos (CVE-2026-0018)
CVE-2025-22424 Vulnerability in google (CVE-2025-22424)
CVE-2026-46243 Vulnerability in linux (CVE-2026-46243)
CVE-2026-45505 Vulnerability in activemq (CVE-2026-45505)
CVE-2026-42588 Vulnerability in activemq (CVE-2026-42588)
CVE-2026-48188 Vulnerability in sqli (CVE-2026-48188)
CVE-2026-47201 Vulnerability in goauthentik.io (CVE-2026-47201)
CVE-2026-45352 Vulnerability in c (CVE-2026-45352)
CVE-2026-44518 Vulnerability in c (CVE-2026-44518)
CVE-2026-45628 Vulnerability in c (CVE-2026-45628)
CVE-2026-45615 Vulnerability in c (CVE-2026-45615)
CVE-2026-9880 Vulnerability in google (CVE-2026-9880)
CVE-2026-9903 Vulnerability in google (CVE-2026-9903)
CVE-2026-9898 Vulnerability in google (CVE-2026-9898)
CVE-2026-9885 Vulnerability in google (CVE-2026-9885)
CVE-2026-10021 Vulnerability in google (CVE-2026-10021)
CVE-2026-10020 Vulnerability in google (CVE-2026-10020)
CVE-2026-10004 Vulnerability in google (CVE-2026-10004)
CVE-2026-9980 Vulnerability in google (CVE-2026-9980)
CVE-2026-9979 Vulnerability in google (CVE-2026-9979)
CVE-2026-9985 Vulnerability in google (CVE-2026-9985)
CVE-2026-9982 Vulnerability in google (CVE-2026-9982)
CVE-2026-9986 Vulnerability in google (CVE-2026-9986)
CVE-2026-9987 Vulnerability in google (CVE-2026-9987)
CVE-2026-9977 Vulnerability in google (CVE-2026-9977)
CVE-2026-9969 Vulnerability in google (CVE-2026-9969)
CVE-2026-9950 Vulnerability in google (CVE-2026-9950)
CVE-2026-9914 Vulnerability in google (CVE-2026-9914)
CVE-2026-49095 Vulnerability in elk (CVE-2026-49095)

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