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Date:
2025-February-26
Security risk:
Vulnerability:
Access bypass
Affected versions:
<2.1.0
CVE IDs:
CVE-2025-31691
Description:
Provides OAuth2 server functionality based on the oauth2-server-php library.
The module does not consistently enforce admin configurations allowing users on a disabled server to still authenticate.
Solution:
Install the latest version:
- If you use the OAuth2 server module for Drupal 2.x, upgrade to OAuth2 server 2.1.0
Reported By:
Fixed By:
- cafuego
- Lee Rowlands (larowlan) of the Drupal Security Team
Coordinated By:
- Greg Knaddison (greggles) of the Drupal Security Team
