CVE-2026-33455 Livestatus injection in monitoring quicksearch

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-2026-33455

CVE-2026-33455 affects Checkmk prior to version 2.5.0b4, where the Livestatus injection vulnerability exists in the monitoring quicksearch. The root cause is insufficient input sanitization in search filter plugins, enabling an authenticated attacker to inject Livestatus commands via the search q...

PT-2026-31898

Name of the Vulnerable Software and Affected Versions Checkmk versions prior to 2.5.0b4 Description A flaw exists in the monitoring quicksearch functionality of Checkmk that allows an authenticated attacker to inject Livestatus commands through the search query. This is due to insufficient input...