CVE-2024-47092: Heinlein-Support Check Mk Python API

Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days.

Insecure deserialization and improper certificate validation in Checkmk Exchange plugin check-mk-api prior to 5.8.1

Affected products

• Heinlein-Support Check Mk Python API: before 5.8.1 (fixed in 5.8.1)

Published 2025-03-03. Last modified 2026-06-17.