Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Node View Permissions allows Forceful Browsing.
This issue affects Node View Permissions: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.1.
The Node View Permissions module 7.x-1.x before 7.x-1.2 for Drupal does not properly implement the hook_query_alter function, which might allow remote attackers to obtain sensitive information by reading a node listing.