Trac 0.11.6 does not properly check workflow permissions before modifying a ticket. This can be exploited by an attacker to change the status and resolution of tickets without having proper permissions.

Multiple unspecified vulnerabilities in Trac before 0.11.6 have unknown impact and attack vectors, possibly related to (1) "policy checks in report results when using alternate formats" or (2) a "check for the 'raw' role that is missing in docutils < 0.6."

Unspecified vulnerability in Trac before 0.11.2 allows attackers to cause a denial of service via unknown attack vectors related to "certain wiki markup."

Unspecified vulnerability in the HTML sanitizer filter in Trac before 0.11.2 allows attackers to conduct phishing attacks via unknown attack vectors.