CVE-2026-33455

EUVD-2026-21342
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
checkmkcheckmk
2.5.0:b1
checkmkcheckmk
2.5.0:b2
checkmkcheckmk
2.5.0:b3
𝑥
= Vulnerable software versions
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
check-mk
bionic
needs-triage
jammy
dne
noble
dne
questing
dne
resolute
dne
xenial
ignored
Common Weakness Enumeration
References
https://checkmk.com/werk/17988