The request phase of the OmniAuth Ruby gem is vulnerable to Cross-Site Request Forgery when used as part of the Ruby on Rails framework, allowing accounts to be connected without user intent, user interaction, or feedback to the user. This permits a secondary account to be able to sign into the web application as the primary account.
Created rubygem-omniauth tracking bugs for this issue:
Affects: fedora-all [bug 1707376]
Red Hat CloudForms 4.5 is on maintenance support phase, thus only critical issues will be fixed.