Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect due to insufficient validation of the Referer header in saveRequestReferer. An authenticated user can redirect users to arbitrary external sites by supplying a malicious Referer value during authentication. Remediation...

CVE-2026-40295

Devise is an authentication solution for Rails based on Warden. In versions 5.0.3 and below, when the Timeoutable module is enabled in Devise, the FailureAppredirecturl method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET...