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Back to active CVEs
High · CVSS 7.1CVE-2026-117611

Trust of compromised eMudhra root CA in bundled CA storesCVE-2026-117611

Answer in brief

CVE-2026-117611 records a High severity (CVSS 7.1) vulnerability in Trust of compromised eMudhra root CA in bundled CA stores. The current sources do not mark it as known exploited. The current feed maps Checkmk GmbH/Checkmk (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 29, 2026Updated Oct 29, 2026Source checked Oct 29, 2026First seen by HOL Oct 29, 2026Material review Oct 29, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Checkmk GmbH/Checkmk (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Checkmk GmbH/Checkmkgeneric>=2.5.0 <2.5.0p18 || >=2.4.0 <2.4.0p39 || >=2.3.0 <2.3.0p52 || 2.2.02.5.0p18, 2.4.0p39, 2.3.0p52

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Checkmk GmbH/Checkmk.
  2. 2Review the reported fix. Update Checkmk GmbH/Checkmk to 2.5.0p18 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 29, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 29, 2026

Sources and claim methodology

  • Source referencecheckmk.com
  • Source referencecheckmk.com
  • GitHub security advisorygithub.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Apache Qpid Proton C: The OpenSSL TLS implementation adds a locally trusted certificate authority to the existing trusted system trust anchors.Also CWE-295

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-295, CWE-1395
Source
CVE List V5
Source checked
Oct 29, 2026
References
3 linked sources
Open source record