The resource/endpoint for uploading files in the Services module 7.x-3.x before 7.x-3.12 for Drupal allows remote authenticated users with the "Save file information" permission to execute arbitrary code via a crafted filename.
The Services module 7.x-3.x before 7.x-3.12 for Drupal allows remote attackers to bypass the field_access restriction and obtain sensitive private field information via unspecified vectors.