What is GHSA-gx39-fx9h-w86g?

GHSA-gx39-fx9h-w86g is a security advisory published by GitHub Security Advisories with Medium severity. Incorrect permissions on the Checkmk Windows agent's data directory, caused by a race condition...

Which CVE IDs does GHSA-gx39-fx9h-w86g cover?

GHSA-gx39-fx9h-w86g covers the following CVE IDs: CVE-2026-111573. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-gx39-fx9h-w86gMedium

Incorrect permissions on the Checkmk Windows agent's data directory, caused by a race condition...

Vendor

GitHub Security Advisories

Published

November 6, 2026

Last Modified

November 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-111573 →

📋 Description

Incorrect permissions on the Checkmk Windows agent's data directory, caused by a race condition that discards the permission changes during service start, in Checkmk <2.5.0p18, <2.4.0p39, <2.3.0p52 and 2.2.0 (EOL) allow a local user to execute arbitrary code as SYSTEM by placing scripts in the agent's plugins or local folders, and to read the agent controller's private key.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-111573
https://checkmk.com/werk/19231
https://github.com/advisories/GHSA-gx39-fx9h-w86g