The Project issue tracking module before 4.7.x-1.3, 4.7.x-2.* before 4.7.x-2.3, and 5 before 5.x-0.2-beta for Drupal allows remote authenti…

The Project issue tracking module before 4.7.x-1.3, 4.7.x-2.* before 4.7.x-2.3, and 5 before 5.x-0.2-beta for Drupal allows remote authenticated users, with "access project issues" permission, to read the contents of a private node via a URL with a modified node identifier.