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  4. CVE 2026 87940 key auth moderately critical access bypass sa
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Back to active CVEs
Medium · CVSS 5.4CVE-2026-87940

Key auth - Moderately critical - Access bypass - SA-CONTRIB-2026-138CVE-2026-87940

Answer in brief

CVE-2026-87940 records a Medium severity (CVSS 5.4) vulnerability in Key auth - Moderately critical - Access bypass - SA-CONTRIB-2026-138. The current sources do not mark it as known exploited. The current feed maps Drupal/Key auth (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 22, 2026Updated Oct 22, 2026Source checked Oct 25, 2026First seen by HOL Oct 22, 2026Material review Oct 22, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.4
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 5.4. 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 Drupal/Key auth (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Drupal/Key authgeneric>=0.0.0 <2.2.42.2.4

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Drupal/Key auth.
  2. 2Review the reported fix. Update Drupal/Key auth to 2.2.4 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 22, 2026

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

  2. Source modified

    Oct 22, 2026

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

  3. First seen by HOL

    Oct 22, 2026

Sources and claim methodology

  • Source referencedrupal.org
Upstream source description

Use of Web Browser Cache Containing Sensitive Information vulnerability in Drupal Key auth allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Key auth versions: from 0.0.0 to 2.2.4.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-525
Source
CVE List V5
Source checked
Oct 25, 2026
References
1 linked source
Open source record