CVE-2026-107715

The Mechanize library is used for automating interaction with websites. Prior to 2.14.1, Mechanize sends caller-supplied credential headers to a different host after an HTTP redirect. Mechanizerequestheaders= is reapplied by Mechanize::HTTP::Agentrequestaddheaders even after...

Mechanize sends credential headers to another origin after a meta refresh

Summary mechanize applied no trust boundary to a meta refresh, so credentials set through Mechanizerequestheaders= followed a refresh that pointed at another origin. Details Mechanize::HTTP::Agentresponsefollowmetarefresh fetched the refresh target with no notion of a crossed origin, so...