Description: A security issue has been reported in Ruby on Rails, which can potentially be exploited by malicious people to conduct session fixation attacks.
The security issue is caused due to lib/action_controller/cgi_process.rb removing the ":cookie_only" attribute from "DEFAULT_SESSION_OPTIONS" and can be exploited to conduct session fixation attacks against applications using the affected component.
The security issue is reported in versions prior to 1.2.6.
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Ideas, suggestions, and other feedback are most welcome.