CVE-2026-117611 PUBLISHED

Trust of compromised eMudhra root CA in bundled CA stores

Assigner: Checkmk
Reserved: 27.10.2026 Published: 29.10.2026 Updated: 29.10.2026

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.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H
CVSS Score: 7.1

Product Status

Vendor Checkmk GmbH
Product Checkmk
Versions Default: unaffected
  • affected from 2.5.0 to 2.5.0p18 (excl.)
  • affected from 2.4.0 to 2.4.0p39 (excl.)
  • affected from 2.3.0 to 2.3.0p52 (excl.)
  • Version 2.2.0 is affected

References

Problem Types

  • CWE-295: Improper Certificate Validation CWE
  • CWE-1395: Dependency on Vulnerable Third-Party Component CWE

Impacts

  • CAPEC-94: Adversary in the Middle