CVE-2013-4580
GitLab before 5.4.2, Community Edition before 6.2.4, and Enterprise Edition before 6.2.1, when using a MySQL backend, allows remote attackers to impersonate arbitrary users and bypass authentication via unspecified API calls.
Date published : 2014-05-12
https://www.gitlab.com/2013/11/14/multiple-critical-vulnerabilities-in-gitlab/