The Activism module 6.x-2.x before 6.x-2.1 for Drupal does not properly restrict access to the "Campaign" content type, which might allow remote attackers to bypass access restrictions and possibly have other unspecified impact.
http://www.openwall.com/lists/oss-security/2012/10/07/1
http://www.openwall.com/lists/oss-security/2012/10/04/6