VulnerabilityAnalyzed

CVE-2026-73476

Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation.

MEDIUM 5.4EPSS 0.30%

Does this matter?

Lower severity and a low EPSS score (0.30%). Track it; it rarely justifies an emergency change on its own.

Description

Improper Handling of Case Sensitivity vulnerability in Drupal External Authentication allows Privilege Escalation. This issue affects External Authentication versions: from 0.0.0 to 2.0.13.

CVSS 3.1: 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS: 0.30% probability · 22th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-178
Affected: external authentication project/external authentication
Source: mlhess@drupal.org

EPSS trend

EPSS 0.3% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://www.drupal.org/sa-contrib-2026-098Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.