CVE-2025-65000

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...

CVE-2025-65000 Exposure of SSH Private Keys in Remote Alert Handlers (Linux) Rule

SSH private keys of the "Remote alert handlers Linux" rule were exposed in the rule page's HTML source in Checkmk = 2.4.0p18 and all versions of Checkmk 2.3.0. This potentially allowed unauthorized triggering of predefined alert handlers on hosts where the handler was deployed...