Path traversal in host label synchronization allows code execution on the central site from a remote site
Not on CISA's list of exploited flaws, and not in the news we track.
9.4of 10, critical
Reading the vendor advisory
Fix it in your code
Each opens with a short prompt that points at Global Hack Map's public runbook for CVE-2026-118965. Nothing runs until you send it.
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.
You are affected if
The fix