Drupal OAuth2 Server Missing Authorization Vulnerability Allowing Forceful Browsing

Vulnerability

A missing authorization vulnerability has been identified in the Drupal OAuth2 Server module, specifically in versions prior to 2.1.0. This vulnerability allows for forceful browsing, where users may gain unauthorized access to resources or actions.

Impact

Exploitation of this vulnerability could lead to unauthorized access to resources or actions within the application, allowing users to bypass normal authorization checks.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
5.0
exploitability
7.4
remediation
0.0
relevance
0.0
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.