Checkmk Gmbh vulnerabilities

93 vulnerabilities

Known vulnerabilities in Checkmk Gmbh products, newest first, with CVSS severity, EPSS, KEV listings and ransomware use, across 2 products.

Products

2
8.6CVE-2026-14452checkmk gmbhcheckmk
EPSS score
0.29%
Improper validation of the reset_url parameter of the Setup in-page search in Checkmk <2.5.0p15, <2.4.0p38, <2.3.0p51 and 2.2.0 (EOL) allows an attacker to execute arbitrary script in the session of an authenticated user with Setup access, or to redirect that user to an arbitrary external site, by tricking the user into opening a crafted URL and clicking the Reset button or submitting an empty search.
5.3CVE-2025-2596checkmk gmbhcheckmk+2
EPSS score
0.21%
Session logout could be overwritten in Checkmk GmbH's Checkmk versions <2.3.0p30, <2.2.0p41, and 2.1.0p49 (EOL)
7.5CVE-2025-2092checkmk gmbhcheckmk+2
EPSS score
0.30%
Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p29, <2.2.0p41 and <=2.1.0p49 (EOL) causes remote site authentication secrets to be written to log files accessible to administrators.
7.5CVE-2025-1075checkmk gmbhcheckmk+2
EPSS score
0.32%
Insertion of Sensitive Information into Log File in Checkmk GmbH's Checkmk versions <2.3.0p27, <2.2.0p40, and 2.1.0p51 (EOL) causes LDAP credentials to be written to Apache error log file accessible to administrators.
8.8CVE-2025-1712checkmk gmbhcheckmk+2
EPSS score
0.83%
Argument injection in special agent configuration in Checkmk <2.4.0p1, <2.3.0p32, <2.2.0p42 and 2.1.0 allows authenticated attackers to write arbitrary files
5.3CVE-2025-65000checkmk gmbhcheckmk+2
EPSS score
0.22%
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.
7.1CVE-2025-39664checkmk gmbhcheckmk+2
EPSS score
0.69%
Insufficient escaping in the report scheduler within Checkmk <2.4.0p13, <2.3.0p38, <2.2.0p46 and 2.1.0 (EOL) allows authenticated attackers to define the storage location of report file pairs beyond their intended root directory.
9.3CVE-2025-39666checkmk gmbhcheckmk+2
EPSS score
0.12%
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 command is run by root.
8.5CVE-2025-39663checkmk gmbhcheckmk+2
EPSS score
0.60%
Cross-Site Scripting (XSS) vulnerability in Checkmk's distributed monitoring allows a compromised remote site to inject malicious HTML code into service outputs in the central site. Affecting Checkmk before 2.4.0p14, 2.3.0p39, 2.2.0 and 2.1.0 (eol).
5.4CVE-2025-58121checkmk gmbhcheckmk+2
EPSS score
0.21%
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
5.4CVE-2025-58122checkmk gmbhcheckmk+2
EPSS score
0.18%
Insufficient permission validation in Checkmk 2.4.0 before version 2.4.0p16 allows low-privileged users to modify notification parameters via the REST API, which could lead to unauthorized actions or information disclosure.
7.3CVE-2025-64999checkmk gmbhcheckmk+2
EPSS score
0.15%
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link.
6.5CVE-2025-64997checkmk gmbhcheckmk+2
EPSS score
0.24%
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.
7.3CVE-2025-64998checkmk gmbhcheckmk+2
EPSS score
0.33%
Exposure of session signing secret in Checkmk <2.4.0p23, <2.3.0p45 and 2.2.0 allows an administrator of a remote site with config sync enabled to hijack sessions on the central site by forging session cookies.
4.8CVE-2025-64996checkmk gmbhcheckmk+2
EPSS score
0.11%
In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify 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 of monitoring data.
5.5CVE-2025-32915checkmk gmbhcheckmk+2
EPSS score
0.14%
Packages downloaded by Checkmk's automatic agent updates on Linux and Solaris have incorrect permissions in Checkmk < 2.4.0p1, < 2.3.0p32, < 2.2.0p42 and <= 2.1.0p49 (EOL). This allows a local attacker to read sensitive data.
4.3CVE-2025-32916checkmk gmbhcheckmk+2
EPSS score
0.19%
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.
8.8CVE-2025-32919checkmk gmbhcheckmk+1
EPSS score
0.27%
Use of an insecure temporary directory in the Windows License plugin for the Checkmk Windows Agent allows Privilege Escalation. This issue affects Checkmk: from 2.4.0 before 2.4.0p13, from 2.3.0 before 2.3.0p38, from 2.2.0 before 2.2.0p46, and all versions of 2.1.0 (EOL).
8.8CVE-2025-32918checkmk gmbhcheckmk+2
EPSS score
0.39%
Improper neutralization of Livestatus command delimiters in autocomplete endpoint within the RestAPI of Checkmk versions <2.4.0p6, <2.3.0p35, <2.2.0p44, and 2.1.0 (EOL) allows an authenticated user to inject arbitrary Livestatus commands.
8.8CVE-2025-32917checkmk gmbhcheckmk+2
EPSS score
0.31%
Privilege escalation in jar_signature agent plugin in Checkmk versions <2.4.0b7 (beta), <2.3.0p32, <2.2.0p42, and 2.1.0p49 (EOL) allow user with write access to JAVA_HOME/bin directory to escalate privileges.