CVE-2026-24096: Checkmk

High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days.

Insufficient permission validation on multiple REST API Quick Setup endpoints in Checkmk 2.5.0 (beta) before version 2.5.0b2 and 2.4.0 before version 2.4.0p25 allows low-privileged users to perform unauthorized actions or obtain sensitive information

Affected products

• Checkmk Checkmk: version 2.4.0 only; version 2.5.0 only

Published 2026-04-01. Last modified 2026-06-17.