CVE-2026-87940 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-525

References

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

FAQ

What is CVE-2026-87940?

CVE-2026-87940 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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...

How severe is CVE-2026-87940?

CVE-2026-87940 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-87940?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.