CVE-2026-87937
Medium
Description
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Central Authentication System (CAS) Server allows Fake the Source of Data. This issue affects Central Authentication System (CAS) Server versions: from 0.0.0 to 2.0.4, from 2.1.0 to 2.1.3.
SeverityMedium
CVSS6.5
Exploit probability—
ProductDrupal/cas Server
PublishedOct 22, 2026
First seenOct 22, 2026
Weakness typeCWE-601Open redirect
How to fix
Update
- drupal/cas_server2.0.4, 2.1.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| drupal/cas_serverPackagist:https://packages.drupal.org/8 | v < 2.0.4, 2.1.0 ≤ v < 2.1.3 | 2.0.4, 2.1.3 |
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