Vulnerabilities (CVE)

Filtered by vendor Checkmk Subscribe
Total 108 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2026-33455 1 Checkmk 1 Checkmk 2026-10-26 N/A 6.3 MEDIUM
Livestatus injection in the monitoring quicksearch in Checkmk <2.5.0b4 allows an authenticated attacker to inject livestatus commands via the search query due to insufficient input sanitization in search filter plugins.
CVE-2023-31208 2 Checkmk, Tribe29 2 Checkmk, Checkmk 2026-10-24 N/A 8.3 HIGH
Improper neutralization of livestatus command delimiters in the RestAPI in Checkmk < 2.0.0p36, < 2.1.0p28, and < 2.2.0b8 (beta) allows arbitrary livestatus command execution for authorized users.
CVE-2023-31209 2 Checkmk, Tribe29 2 Checkmk, Checkmk 2026-10-24 N/A 8.8 HIGH
Improper neutralization of active check command arguments in Checkmk < 2.1.0p32, < 2.0.0p38, < 2.2.0p4 leads to arbitrary command execution for authenticated users.
CVE-2026-33456 1 Checkmk 1 Checkmk 2026-10-23 N/A 7.6 HIGH
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-2023-22348 2 Checkmk, Tribe29 2 Checkmk, Checkmk 2026-10-23 N/A 4.3 MEDIUM
Improper Authorization in RestAPI in Checkmk GmbH's Checkmk versions <2.1.0p28 and <2.2.0b8 allows remote authenticated users to read arbitrary host_configs.
CVE-2023-23548 1 Checkmk 1 Checkmk 2026-10-23 N/A 5.4 MEDIUM
Reflected XSS in business intelligence in Checkmk <2.2.0p8, <2.1.0p32, <2.0.0p38, <=1.6.0p30.
CVE-2024-47091 1 Checkmk 1 Checkmk 2026-10-23 N/A 7.8 HIGH
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 code in the context of the Checkmk agent service, which typically runs as SYSTEM.
CVE-2026-33457 1 Checkmk 1 Checkmk 2026-10-23 N/A 6.3 MEDIUM
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-2026-7186 1 Checkmk 1 Checkmk 2026-10-23 N/A 5.4 MEDIUM
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 dashboard.
CVE-2025-32916 1 Checkmk 1 Checkmk 2026-10-23 N/A 4.3 MEDIUM
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-2026-7765 1 Checkmk 1 Checkmk 2026-10-23 N/A 5.3 MEDIUM
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 sending requests to the underlying endpoint, even without a User Messages widget present.
CVE-2025-39664 1 Checkmk 1 Checkmk 2026-10-23 N/A 6.5 MEDIUM
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.
CVE-2026-9549 1 Checkmk 1 Checkmk 2026-10-23 N/A 4.8 MEDIUM
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 admin or a user with host read permissions when they run the check on the service discovery page.
CVE-2026-8078 1 Checkmk 1 Checkmk 2026-10-23 N/A 4.8 MEDIUM
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 Activate Changes page or Audit log.
CVE-2026-8833 1 Checkmk 1 Checkmk 2026-10-23 N/A 5.4 MEDIUM
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 user interacts with the crafted link.
CVE-2025-32919 1 Checkmk 1 Checkmk 2026-10-19 N/A 7.8 HIGH
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).
CVE-2025-58122 1 Checkmk 1 Checkmk 2026-10-19 N/A 5.4 MEDIUM
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.
CVE-2025-39663 1 Checkmk 1 Checkmk 2026-10-19 N/A 8.4 HIGH
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).
CVE-2025-58121 1 Checkmk 1 Checkmk 2026-10-19 N/A 5.4 MEDIUM
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 1 Checkmk 1 Checkmk 2026-10-19 N/A 4.4 MEDIUM
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.