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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-2026-9969 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)
CVE-2026-30760 Vulnerability in CVE-2026-30760 (CVE-2026-30760)
CVE-2026-22872 Vulnerability in github.com/projectcapsule/capsule (CVE-2026-22872)
CVE-2026-30963 Vulnerability in github.com/projectcapsule/capsule (CVE-2026-30963)
CVE-2026-5509 Vulnerability in tp-link (CVE-2026-5509)
CVE-2026-42553 Vulnerability in cinny (CVE-2026-42553)
CVE-2026-42459 Vulnerability in github.com/free5gc/udm (CVE-2026-42459)
CVE-2026-48922 Path Traversal in org.jenkins-ci.plugins:credentials-binding (CVE-2026-48922)
CVE-2026-24195 Vulnerability in dos (CVE-2026-24195)
CVE-2025-33221 Vulnerability in dos (CVE-2025-33221)
CVE-2026-43935 Vulnerability in CVE-2026-43935 (CVE-2026-43935)
CVE-2026-9521 Vulnerability in CVE-2026-9521 (CVE-2026-9521)
CVE-2026-9497 Vulnerability in org.mengyun:tcc-transaction (CVE-2026-9497)
CVE-2026-40411 Vulnerability in microsoft (CVE-2026-40411)
CVE-2026-26147 Vulnerability in microsoft (CVE-2026-26147)
CVE-2026-3294 Vulnerability in tp-link (CVE-2026-3294)
CVE-2026-44417 Vulnerability in org.apache.cxf:cxf-rt-transports-jms (CVE-2026-44417)
CVE-2026-5072 Vulnerability in c (CVE-2026-5072)
CVE-2026-34910 KEV [KEV] Vulnerability in Ubiquiti ui (CVE-2026-34910)
CVE-2026-33000 Vulnerability in ui (CVE-2026-33000)
CVE-2026-46679 Vulnerability in @libp2p/gossipsub (CVE-2026-46679)
CVE-2026-9157 Vulnerability in CVE-2026-9157 (CVE-2026-9157)
CVE-2026-9124 Vulnerability in google (CVE-2026-9124)
CVE-2026-20240 Vulnerability in dos (CVE-2026-20240)
CVE-2026-5946 Vulnerability in isc (CVE-2026-5946)
CVE-2026-45783 Vulnerability in @libp2p/kad-dht (CVE-2026-45783)
CVE-2026-46357 Vulnerability in @haxtheweb/haxcms-nodejs (CVE-2026-46357)

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