When using private files in combination with certain field access modules, the File module will allow users to download the file even if they do not have access to view the field it was attached to.
Credit:
The information has been provided by Sascha Grossenbacher..
When using private files in combination with certain field access modules, the File module will allow users to download the file even if they do not have access to view the field it was attached to.
This issue affects Drupal 7.x only.
Vendor Status:
Drupal issued an update for this vulnerability