PT-2026-31898 · Checkmk Gmbh · Checkmk

Published 2026-04-10 · Updated 2026-04-10 · CVE-2026-33455

Mitre

CVSS v4.0

5.3

Medium

AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

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.

Fix

Weakness Enumeration

CWE-140

Related Identifiers

CVE-2026-33455

Affected Products

Checkmk

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-33455 · Security Note
• https://checkmk.com/werk/17988 · Vendor Advisory
• https://twitter.com/CVEnew/status/2042561716513575255 · Twitter Post