CVE-2026-117611

HIGH 7.1CVE-2026-117611 · Published 29/10/2026 · updated 29/10/2026

In short

CVE-2026-117611 is a HIGH (CVSS 7.1) vulnerability.
Chance of exploitation in the next 30 days (EPSS): 0.24%, higher than 14.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
—	No affected product versions are listed for this vulnerability yet.

Description

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.

References

checkmk.com/werk/22169
checkmk.com/werk/22623
GitHub Advisory GHSA-6q48-6c7w-9gw2

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