Grav: Unauthenticated open redirect via login twofa_cancel _redirect
Grav is a file-based Web platform. Prior to 3.8.5, the Login plugin twofa_cancel 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 taskTwofa_cancel() se…
Severity medium: primary CNA CVSS 5.3 v4.0 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2026-08-19T15:15:30.263Z. Updated 2026-08-19T15:42:49.046Z.