CVE-2026-87940
Key auth - Moderately critical - Access bypass - SA-CONTRIB-2026-138
Drupal Key authApplications & CMS
CVSS
5.4MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.18%Chance of exploitation activity in the next 30 days, higher than 7% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2.2.4Key authCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
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.
Text from CVE List
Affected versions 1
- Key authaffected: 0.0.0 before 2.2.4CVE List