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Check MKにおけるクロスサイトスクリプティングの脆弱性
Title Check MKにおけるクロスサイトスクリプティングの脆弱性
Summary

Checkmkのバージョン2.5.0p5、2.4.0p31、2.3.0p48、およびすべての2.2.0バージョンにおいて、ダッシュボードのURLウィジェットに保存型クロスサイトスクリプティングの脆弱性が存在します。この脆弱性により、ダッシュボード編集権限を持つユーザーはjavascript:などの危険なURIスキームを含むURLを保存でき、他のユーザーがダッシュボードを閲覧した際にスクリプトが実行されてしまう可能性があります。

Possible impacts ・当該ソフトウェアが扱う情報の一部が外部に漏れる可能性があります。 ・当該ソフトウェアが扱う情報の一部が書き換えられる可能性があります。 ・当該ソフトウェアは停止しません。 
Solution

ベンダ情報を参照して適切な対策を実施してください。

Publication Date June 8, 2026, midnight
Registration Date June 9, 2026, 2:12 p.m.
Last Update June 9, 2026, 2:12 p.m.
CVSS3.0 : 警告
Score 5.4
Vector CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Affected System
Check MK
Check MK 2.2.0
Check MK 2.3.0
Check MK 2.4.0
Check MK 2.5.0
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2026年06月09日]
  掲載		 June 9, 2026, 2:12 p.m.
NVD Vulnerability Information
CVE-2026-7186
Summary

Stored cross-site scripting in the URL dashboard widget in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows a user with dashboard editing permissions to store a URL with a dangerous URI scheme such as javascript: that executes scripts in other users' browsers when they view the dashboard.

Publication Date June 8, 2026, 10:16 p.m.
Registration Date June 9, 2026, 4:14 a.m.
Last Update June 9, 2026, 12:53 a.m.
Affected software configurations
Configuration1 or higher or less more than less than
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cpe:2.3:a:checkmk:checkmk:2.4.0:p24:*:*:*:*:*:*
cpe:2.3:a:checkmk:checkmk:2.4.0:p25:*:*:*:*:*:*
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cpe:2.3:a:checkmk:checkmk:2.5.0:p4:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List