UBUNTU-CVE-2026-9549

Stored cross-site scripting in the service discovery active check output in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an administrator who can configure active or custom checks to inject malicious HTML or JavaScript into check output that executes in the browser of an adm...

CVE-2026-9549 Fix XSS in service discovery active check output

Stored cross-site scripting in the service discovery active check output in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an administrator who can configure active or custom checks to inject malicious HTML or JavaScript into check output that executes in the browser of an adm...

CVE-2026-8833

CVE-2026-8833 affects Checkmk versions <2.5.0p5, <2.4.0p31,

CVE-2026-8078 Fix stored XSS in global settings change log

Stored cross-site scripting in the global settings change log in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an administrator who can change global settings to store malicious HTML or JavaScript in changelog messages that executes in other users' browsers when they view the...

CVE-2026-7186 Fix stored XSS in URL dashboard widget via dangerous URI schemes

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...

CVE-2026-7186

CVE-2026-7186 describes a stored cross-site scripting flaw in the Dashboard URL widget of Checkmk for versions <2.5.0p5, <2.4.0p31,

PT-2026-47288

Stored cross-site scripting in the service discovery active check output in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an administrator who can configure active or custom checks to inject malicious HTML or JavaScript into check output that executes in the browser of an adm...

Checkmk 跨站脚本漏洞

Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions contain a cross-site scripting vulnerability. This vulnerability stems from the storage of malicious HTML or JavaScript in the change logs,...

PT-2026-47284

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...

CVE-2024-47091

Privilege escalation in the mkmysql agent plugin on Windows in Checkmk 2.4.0p29, 2.3.0p47, and 2.2.0 EOL allows a local unprivileged user able to create a Windows service whose name matches 'MySQL' or 'MariaDB' or with write access to a binary referenced by such a service to execute arbitrary cod...

CVE-2026-33457

Livestatus injection in the prediction graph page in Checkmk 2.5.0b4, 2.4.0p26, and 2.3.0p47 allows an authenticated user to inject arbitrary Livestatus commands via a crafted service name parameter due to insufficient sanitization of the service description value...

CVE-2026-33456 Potential livestatus injection in notification test

Livestatus injection in the notification test mode in Checkmk 2.5.0b4 and 2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description...

CVE-2026-33456

Livestatus injection in the notification test mode in Checkmk 2.5.0b4 and 2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description...

CVE-2026-33456 Potential livestatus injection in notification test

Livestatus injection in the notification test mode in Checkmk 2.5.0b4 and 2.4.0p26 allows an authenticated user with access to the notification test page to inject arbitrary Livestatus commands via a crafted service description...

CVE-2026-33456

Summary of CVE-2026-33456 : A Livestatus injection vulnerability exists in Checkmk’s notification test mode for versions before 2.5.0b4 and before 2.4.0p26. An authenticated user who can access the notification test page can inject arbitrary Livestatus commands via a crafted service description. ...

PT-2026-31900

Name of the Vulnerable Software and Affected Versions Checkmk versions prior to 2.5.0b4, prior to 2.4.0p26, and prior to 2.3.0p47 Description A flaw exists in Checkmk that allows an authenticated user to inject arbitrary Livestatus commands. This occurs through insufficient sanitization of the...

Checkmk 安全漏洞

Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.5.0b4 and 2.4.0p26 contained security vulnerabilities. These vulnerabilities stemmed from Livestatus injection during notification testing modes, allowing authenticated users to inject arbitrary...

CVE-2026-3466

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 EOL, Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 beta before 2.5.0 allows an attacker with dashboard creation privileges to perform stored cross-site scripting XSS attacks by tricking a...

EUVD-2026-19605

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 EOL, Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 beta before 2.5.0b3 allows an attacker with dashboard creation privileges to perform stored cross-site scripting XSS attacks by tricking...

CVE-2026-3466

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 EOL, Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 beta before 2.5.0 allows an attacker with dashboard creation privileges to perform stored cross-site scripting XSS attacks by tricking a...