MoinMoin 1.7.x before 1.7.3 and 1.8.x before 1.8.3 checks parent ACLs in certain inappropriate circumstances during processing of hierarchical ACLs, which allows remote attackers to bypass intended access restrictions by requesting an item, a different vulnerability than CVE-2008-6603.
http://www.vupen.com/english/advisories/2010/1208
http://www.vupen.com/english/advisories/2010/0600
http://www.securityfocus.com/bid/35277
http://www.debian.org/security/2010/dsa-2014
http://ubuntu.com/usn/usn-941-1
http://secunia.com/advisories/39887
http://moinmo.in/SecurityFixes