Ruby on Rails Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) Vulnerability - CVE-2014-0130
Directory traversal vulnerability in actionpack/lib/abstract_controller/base.rb in the implicit-render implementation in Ruby on Rails before 3.2.18 4.0.x before 4.0.5 and 4.1.x before 4.1.1 when certain route globbing configurations are enabled allows remote attackers to read arbitrary files via a crafted request.