EUVD-2026-35061

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 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-2026-47285

Incorrect authorization in the User Messages dashboard widget in Checkmk 2.5.0p5 causes the message-fetching endpoints to return the dashboard creator's messages rather than the viewer's, allowing an attacker who knows a valid public dashboard share token to read the issuer's personal messages by...

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...

PT-2026-47287

Improper neutralization of HTML-encoded characters in the URL validation function in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an authenticated user to bypass URL validation and inject malicious URLs such as javascript: URIs, resulting in cross-site scripting when another...

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...

PT-2026-47286

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-2025-39666

Local privilege escalation 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 a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the omd administrative...

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...

EUVD-2024-55577

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-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-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-2024-47091 Privilege escalation via mk_mysql agent plugin on Windows

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-2024-47091

CVE-2024-47091 describes a local privilege escalation in the Windows mk_mysql agent plugin used by Checkmk. A local unprivileged user can escalate by creating a Windows service whose name matches 'MySQL' or 'MariaDB' (or by gaining write access to a binary referenced by such a service). This allo...

CVE-2024-47091 Privilege escalation via mk_mysql agent plugin on Windows

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...

Checkmk 代码问题漏洞

Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.4.0p29, 2.3.0p47, and 2.2.0 contained code vulnerabilities. These vulnerabilities stemmed from permission escalation issues within the mkmysql proxy plugin on Windows, which could allow...

PT-2026-40585

Privilege escalation in the mk mysql 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 co...

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

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...