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NVD security advisory

Security advisory for Improper certificate validation in Checkmk <2

CVE-2026-117611

Full advisory details, affected packages, severity context, and original source.

Affected technology

Improper certificate validation in Checkmk <2Affected product

Advisory overview

Improper certificate validation in Checkmk <2.5.0p18, <2.4.0p39, <2.3.0p52 and 2.2.0 (EOL): the Certificate Authority stores bundled with "certifi" and "webpki-roots" include a root CA that trusts eMudhra (emSign) intermediate certificates whose private keys are public.

Related references

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