The Organic Groups (OG) Vocabulary module 6.x before 6.x-1.0 for Drupal allows remote authenticated group members to bypass intended access restrictions, and create, modify, or read a vocabulary, via unspecified vectors.
https://exchange.xforce.ibmcloud.com/vulnerabilities/53780
http://www.vupen.com/english/advisories/2009/2920
http://www.securityfocus.com/bid/36685