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Cwe 20

🧬 CWE Related 2,857
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 798692 Cwe 894154 Cwe 8624040 Cwe 2844030 Cwe 4163898 Cwe 1193185 Cwe 2003145 Cwe 1253116 Cwe 222773 Cwe 7872520 Cwe 782028 Cwe 941871 Cwe 8631869 Cwe 1221801 Cwe 741796

🛡 Vulnerabilities tagged with this 2,859

Image ID Title
CVE-2026-44336 Vulnerability in praison (CVE-2026-44336)
CVE-2026-44337 Vulnerability in PraisonAI (CVE-2026-44337)
CVE-2026-43944 Vulnerability in electerm (CVE-2026-43944)
CVE-2026-42261 Vulnerability in PromptHub (CVE-2026-42261)
CVE-2026-33844 Vulnerability in apache (CVE-2026-33844)
CVE-2026-6973 KEV [KEV] Vulnerability in Ivanti endpoint-manager-mobile-epmm (CVE-2026-6973)
CVE-2026-7989 Vulnerability in Google Chrome (CVE-2026-7989)
CVE-2026-7916 Vulnerability in Google Chrome (CVE-2026-7916)
CVE-2026-7915 Vulnerability in Google Chrome (CVE-2026-7915)
CVE-2026-43117 Vulnerability in linux (CVE-2026-43117)
CVE-2026-7317 Vulnerability in getgrav/grav (CVE-2026-7317)
CVE-2026-32603 Vulnerability in Sandboxie (CVE-2026-32603)
CVE-2026-6180 Vulnerability in Papercut Mf (CVE-2026-6180)
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 Frrouting (CVE-2026-37458)
CVE-2026-1577 Vulnerability in IBM Db2 (CVE-2026-1577)
CVE-2026-41654 Vulnerability in weblate (CVE-2026-41654)
CVE-2025-14576 Vulnerability in Qtdeclarative (CVE-2025-14576)
CVE-2026-7360 Vulnerability in Google Chrome (CVE-2026-7360)
CVE-2026-7345 Vulnerability in Google Chrome (CVE-2026-7345)
CVE-2024-54011 Vulnerability in Hanwhavision (CVE-2024-54011)
CVE-2026-40068 Vulnerability in @anthropic-ai/claude-code (CVE-2026-40068)
CVE-2026-40466 Vulnerability in org.apache.activemq:apache-activemq (CVE-2026-40466)
CVE-2026-41044 Vulnerability in org.apache.activemq:apache-activemq (CVE-2026-41044)
CVE-2026-31192 Vulnerability in Raindrop.io Bookmark Manager Web App (CVE-2026-31192)
CVE-2025-13826 Vulnerability in Zervit (CVE-2025-13826)
CVE-2026-33436 Vulnerability in Stirling-PDF (CVE-2026-33436)

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