CVE-2015-8346
app/views/timelog/_form.html.erb in Redmine before 2.6.8, 3.0.x before 3.0.6, and 3.1.x before 3.1.2 allows remote attackers to obtain sensitive information about subjects of issues by viewing the time logging form.
Date published : 2016-04-12
http://www.redmine.org/news/102
https://github.com/redmine/redmine/commit/c096dde88ff02872ba35edc4dc403c80a7867b5c