Rocket TRUfusion Enterprise through 7.10.4.0 uses a reverse proxy to handle incoming connections. However, the proxy is misconfigured in a way that allows specifying absolute URLs in the HTTP request line, causing the proxy to load the given resource.
Weakness
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.