Netflix Security Monkey before 0.8.0 has an Open Redirect. The logout functionality accepted the "next" parameter which then redirects to any domain irrespective of the Host header.Referenceshttps://github.com/Netflix/security_monkey/releases/tag/v0.8.0http://www.securityfocus.com/bid/97088https://github.com/Netflix/security_monkey/commit/3b4da13efabb05970c80f464a50d3c1c12262466https://github.com/Netflix/security_monkey/pull/482