The Token Authentication (tokenauth) module 6.x-1.x before 6.x-1.7 for Drupal does not properly revert user sessions, which might allow remote attackers to perform requests with extra privileges.
https://exchange.xforce.ibmcloud.com/vulnerabilities/76141
http://www.securityfocus.com/bid/53840
http://www.openwall.com/lists/oss-security/2012/06/14/3
http://secunia.com/advisories/49400