CVE-2026-75833

The Grav API plugin (bundled with Grav 2.0's admin-next/API stack) before version 1.0.14 has an open redirect in SsoController::sanitizeReturnTo(): a backslash-prefix like /\evil.com bypasses the // guard and is normalized by browsers to //evil.com, enabling post-OAuth-login phishing. Exploitatio...