CVE-2026-53654 Grav: Unauthenticated open redirect via login twofa_cancel _redirect

Grav is a file-based Web platform. Prior to 3.8.5, the Login plugin twofacancel task accepts a client-controlled redirect field without a nonce and allows an unauthenticated request to set an external http, https, or protocol-relative Location target. Controller::execute applies the field when...