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.
Scoring
- Severity
- MEDIUM
- CVSS base score
- 5.1
- CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- EPSS probability
- 0.20%
- CWE
- CWE-140
- Published
- 2026-04-10
- Last modified
- 2026-04-14
Affected products
- Checkmk GmbH Checkmk
- Checkmk GmbH Checkmk
Weakness type
Related vulnerabilities
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- CVE-2026-33455 — Livestatus injection in monitoring quicksearch
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- CVE-2025-32918 — Livestatus injection in autocomplete endpoint
- CVE-2025-48879 — OctoPrint Vulnerable to Denial of Service through malformed HTTP request
- CVE-2024-38866 — Livestatus Injection in dynmaps
- CVE-2025-47779 — Using malformed From header can forge identity with ";" or NULL in name portion