---
id: CVE-2026-87940
title: Key auth - Moderately critical - Access bypass - SA-CONTRIB-2026-138
summary: >-
  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.
severity: none
cwe:
  - CWE-525
vendor: Drupal
product: Key auth
affected:
  - key_auth >= 0.0.0 < 2.2.4
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T01:22:02.034Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-87940'
references:
  - url: 'https://www.drupal.org/sa-contrib-2026-138'
tags:
  - cve.org
ingestedAt: '2026-10-22T02:23:25.195Z'
---

## Overview

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

- `key_auth >= 0.0.0 < 2.2.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.