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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 2,280

ID Title
CVE-2026-55068 Vulnerability in github.com/free5gc/free5gc (CVE-2026-55068)
CVE-2026-78009 Vulnerability in dos (CVE-2026-78009)
CVE-2026-59322 Vulnerability in CVE-2026-59322 (CVE-2026-59322)
CVE-2026-81827 Vulnerability in CVE-2026-81827 (CVE-2026-81827)
CVE-2026-81707 Vulnerability in CVE-2026-81707 (CVE-2026-81707)
CVE-2026-81686 Vulnerability in dos (CVE-2026-81686)
CVE-2026-57499 Vulnerability in CVE-2026-57499 (CVE-2026-57499)
CVE-2026-81662 Vulnerability in CVE-2026-81662 (CVE-2026-81662)
CVE-2026-59354 Vulnerability in ssrf (CVE-2026-59354)
CVE-2026-47880 Vulnerability in CVE-2026-47880 (CVE-2026-47880)
CVE-2026-56547 Vulnerability in CVE-2026-56547 (CVE-2026-56547)
CVE-2026-13480 Vulnerability in c (CVE-2026-13480)
CVE-2026-77554 Vulnerability in CVE-2026-77554 (CVE-2026-77554)
CVE-2026-77552 Vulnerability in CVE-2026-77552 (CVE-2026-77552)
CVE-2026-77548 Vulnerability in CVE-2026-77548 (CVE-2026-77548)
CVE-2026-77547 Vulnerability in CVE-2026-77547 (CVE-2026-77547)
CVE-2026-77546 Vulnerability in CVE-2026-77546 (CVE-2026-77546)
CVE-2026-77542 Vulnerability in CVE-2026-77542 (CVE-2026-77542)
CVE-2026-77543 Vulnerability in CVE-2026-77543 (CVE-2026-77543)
CVE-2026-77540 Vulnerability in CVE-2026-77540 (CVE-2026-77540)
CVE-2026-77535 Vulnerability in CVE-2026-77535 (CVE-2026-77535)
CVE-2026-77537 Vulnerability in CVE-2026-77537 (CVE-2026-77537)
CVE-2026-77539 Vulnerability in CVE-2026-77539 (CVE-2026-77539)
CVE-2026-77533 Vulnerability in CVE-2026-77533 (CVE-2026-77533)
CVE-2026-18261 Vulnerability in Drupal Powerful Surveys. This issue affects Powerful Surveys versions: *.*.
CVE-2026-18260 Vulnerability in Drupal Disable Login Page. This issue affects Disable Login Page versions: *.*.
CVE-2026-16643 Vulnerability in drupal (CVE-2026-16643)
CVE-2026-16641 Vulnerability in Drupal Commerce Elavon. This issue affects Commerce Elavon versions: *.*.
CVE-2026-16642 Vulnerability in Drupal Email Login OTP. This issue affects Email Login OTP versions: *.*.
CVE-2026-15088 Vulnerability in drupal (CVE-2026-15088)

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