Paper/Archive/CVE-2026-118965

CVE-2026-118965

Checkmk GmbH Checkmk — Path traversal in host label synchronization allows code execution on the central site from a remote site

CVSS 9.4

critical.is priorityof 100

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 No EPSS score.000 × 200.0 No public exploit+100.0 SSVC exploitation: unknown+100.0

Description · from the CVE record

Path traversal in the discovered host label synchronization in Checkmk <2.5.0p19, <2.4.0p40 and 2.3.0 (EOL) allows an attacker in control of a remote site in a distributed monitoring setup to write arbitrary files on the central site and thereby execute code as the central site user.

Affected

ProductAffectedFixed inSource

Checkmk2.5.0 – < 2.5.0p192.5.0p19CNA

Checkmk2.4.0 – < 2.4.0p402.4.0p40CNA

Checkmk2.3.0–CNA

Scores by source

Checkmk (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

References

advisorycheckmk.com/werk/22120