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CVE-2026-87940

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

MEDIUM
5.4
CVSS Score
Published: October 22, 2026 at 01:22 AM UTC
Updated: October 22, 2026 at 06:17 PM UTC
1 product affected across 1 vendorKey auth

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Key auth· Drupaldrupal
100%
All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.drupal.org/sa-contrib-2026-138

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-525

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