CVE-2023-6251: Checkmk

Low severity, CVSS 3.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Cross-site Request Forgery (CSRF) in Checkmk < 2.2.0p15, < 2.1.0p37, <= 2.0.0p39 allow an authenticated attacker to delete user-messages for individual users.

Affected products

• Checkmk Checkmk: version 2.0.0 only; version 2.1.0 only; version 2.2.0 only

Published 2023-11-24. Last modified 2026-06-17.