app/views/journals/index.builder in Redmine before 2.6.9, 3.0.x before 3.0.7, and 3.1.x before 3.1.3 allows remote attackers to obtain sensitive information by viewing an Atom feed.
Debian Linux Security Advisory 3529-1 - Multiple vulnerabilities have been found in Redmine, a project management web application, which may result in information disclosure.