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-2026-47287

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...

CVE-2026-7765: Incorrect Authorization

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...

CVE-2026-9549: Improper Neutralization of Input During Web Page Generation

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: Improper Neutralization of Input During Web Page Generation

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...

Checkmk 安全漏洞

Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.5.0p5 contained security vulnerabilities. These vulnerabilities stemmed from improper authorization in the user message dashboard widgets. As a result, the message retrieval endpoint would return...

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,...

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 contained a cross-site scripting vulnerability. This vulnerability stemmed from improper decoding of HTML-encoded characters in the URL validatio...

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 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 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

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...

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-2024-47091: Uncontrolled Search Path Element

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...