CVE-2026-73476

Medium

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.

SeverityMedium
CVSS5.4
Exploit probability—
ProductExternal Authentication
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-178CWE-178

How to fix

Update
  • external_authentication_project external_authentication2.0.13 or later
  • drupal/externalauth2.0.13 or later

Affected products

ProductAffected versionsFixed in
external_authentication_project external_authenticationv < 2.0.13, 8.x-1.0 ≤ v ≤ 8.x-1.42.0.13
drupal/externalauthPackagist:https://packages.drupal.org/8v < 2.0.132.0.13

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