Checkmk

4 known vulnerabilities in Checkmk, with patch priority, exploit likelihood and the news covering them.

Latest vulnerabilities

  • CVE-2026-92882 CVSS 5.3 medium Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p38…
  • CVE-2026-90990 CVSS 5.3 medium Improper neutralization of newlines in filter values in the monitoring host and service list APIs in Checkmk <2.5.0p14 allows an…
  • CVE-2026-77021 CVSS 5.3 medium Improper handling of highly compressed data (data amplification) in Checkmk <2.5.0p14, <2.4.0p37, <2.3.0p51 and 2.2.0 (EOL) allows an…
  • CVE-2026-15937 CVSS 5.3 medium Improper certificate validation in Checkmk <2.5.0p10 allows a relay and a push agent that share the same UUID to reuse each other's mTLS…