Vulnerability in Checkmk GmbH Checkmk

[ Description ]Official description

Insufficiently protected credentials in the host and folder configuration endpoints of the REST API in Checkmk <2.5.0p15, <2.4.0p38, <2.3.0p51 and 2.2.0 (EOL) allows an authenticated user who may view a host's configuration to read stored SNMP community strings, SNMPv3 auth and privacy pass phrases and IPMI passwords in clear text from GET responses, although the setup GUI never displays these values.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund5 Oct 2026WID-SEC-2026-3746

  Checkmk: Multiple vulnerabilities Translated from German

  CVE-2026-14452CVE-2026-92878CVE-2026-92882

[ References ]References

• checkmk.com/werk/20077vendor-advisory