CVE-2009-1507: Drupal Nodeaccess Userreference

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

The Node Access User Reference module 5.x before 5.x-2.0-beta4 and 6.x before 6.x-2.0-beta6, a module for Drupal, interprets an empty CCK user reference as a reference to the anonymous user, which might allow remote attackers to bypass intended access restrictions to read or modify a node.

Affected products

• Drupal Nodeaccess Userreference: version 5.x-1.0 only; version 5.x-1.1 only; version 5.x-1.2 only; version 5.x-1.3 only; version 5.x-1.4 only; version 5.x-2.0 only; …

Published 2009-05-01. Last modified 2026-06-16.