CVE-2026-3103 Deletion of passwords via RestApi

A logic error in the removepassword function in Checkmk GmbH's Checkmk versions 2.4.0p23, 2.3.0p43, and 2.2.0 EOL allows a low-privileged user to cause data loss...

CVE-2025-64999

The CVE-2025-64999 entry concerns Checkmk products: affected versions are 2.4.0 prior to 2.4.0p22 and 2.3.0 prior to 2.3.0p43. The root cause is improper neutralization of input in Synthetic Monitoring HTML logs, enabling an attacker who can influence a host’s check output to inject JavaScript in...

CVE-2025-65000

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

CVE-2025-65000

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

UBUNTU-CVE-2025-65000

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

CVE-2025-65000 Exposure of SSH Private Keys in Remote Alert Handlers (Linux) Rule

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

CVE-2025-65000 Exposure of SSH Private Keys in Remote Alert Handlers (Linux) Rule

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

CVE-2025-64997

CVE-2025-64997 pertains to Checkmk where insufficient permission validation in REST API endpoints can let low-privileged users view agent information, leading to information disclosure. The issue affects Checkmk versions prior to 2.4.0p17 and prior to 2.3.0p42. The Red Hat, Ubuntu, OSV, CNA/CVE r...

CVE-2025-64997 Insufficient permission validation when showing agent information

Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information disclosure...

PT-2025-52229

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

EUVD-2025-198049

In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mkinotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification ...

CVE-2025-58121 Insufficient permission validation on multiple REST API endpoints

Insufficient permission validation on multiple REST API endpoints in Checkmk 2.2.0, 2.3.0, and 2.4.0 before version 2.4.0p16 allows low-privileged users to perform unauthorized actions or obtain sensitive information...

CVE-2025-64996 Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output

In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mkinotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification ...

PT-2025-47328

Name of the Vulnerable Software and Affected Versions Checkmk versions prior to 2.4.0p16 Checkmk versions prior to 2.3.0p41 Checkmk versions 2.2.0 and older Description The mk inotify plugin creates files that are world-readable and writable. This allows any local user on the system to read the...

Checkmk 安全漏洞

Checkmk is an IT monitoring platform from Checkmk, Inc. A security vulnerability exists in Checkmk versions prior to 2.4.0p14, 2.3.0p39, 2.2.0, and 2.1.0 that originates from a remote site that can be injected with malicious HTML code, which could lead to cross-site scripting attacks...

UBUNTU-CVE-2025-32916

Potential use of sensitive information in GET requests in Checkmk GmbH's Checkmk versions 2.4.0p13, 2.3.0p38, 2.2.0p46, and 2.1.0 EOL may cause sensitive form data to be included in URL query parameters, which may be logged in various places such as browser history or web server logs...

CVE-2025-39664

CVE-2025-39664: In Checkmk, insufficient escaping in the report scheduler enables path traversal in affected versions (Checkmk <2.4.0p13, <2.3.0p38,

CVE-2025-32916 Sensitive form data in URL query parameters

Potential use of sensitive information in GET requests in Checkmk GmbH's Checkmk versions 2.4.0p13, 2.3.0p38, 2.2.0p46, and 2.1.0 EOL may cause sensitive form data to be included in URL query parameters, which may be logged in various places such as browser history or web server logs...

CVE-2025-32916 Sensitive form data in URL query parameters

Potential use of sensitive information in GET requests in Checkmk GmbH's Checkmk versions 2.4.0p13, 2.3.0p38, 2.2.0p46, and 2.1.0 EOL may cause sensitive form data to be included in URL query parameters, which may be logged in various places such as browser history or web server logs...

EUVD-2025-33351

Potential use of sensitive information in GET requests in Checkmk GmbH's Checkmk versions 2.4.0p13, 2.3.0p38, 2.2.0p46, and 2.1.0 EOL may cause sensitive form data to be included in URL query parameters, which may be logged in various places such as browser history or web server logs...