Drupal CAPTCHA Authentication Bypass Vulnerability

Vulnerability

An authentication bypass vulnerability has been identified in the Drupal CAPTCHA module, allowing for functionality bypass. This issue affects CAPTCHA versions prior to 1.17.0 and 2.0.0 prior to 2.0.10.

Impact

Exploitation of this vulnerability allows for authentication bypass, potentially leading to unauthorized access or actions.

Added: Mar 25, 2026, 5:01 PM
Updated: Mar 25, 2026, 5:01 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
0.6
exploitability
7.4
remediation
0.0
relevance
4.7
threat
0.0
urgency
2.9
incentive
4.2

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