AIKIDO-2026-360647
drupal/cas_server is vulnerable to Open Redirect
50
Medium Risk
This Affects:
drupal/cas_serverTL;DR
A security vulnerability in the Drupal CAS Server module allows attackers to redirect users to an arbitrary external URL during logout. Exploitation requires the attacker to trick a user into clicking a specially crafted link. The vulnerability does not allow authentication bypass or direct compromise of the CAS server.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
drupal/cas_server is vulnerable to Open Redirect in versions 0.0.1 - 2.0.3 and 2.1.0 - 2.1.2.
How to fix this
Upgrade the drupal/cas_server library to the patch version.
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