CVE-2026-48489 Symfony: Security Firewall Bypass via failure_forward Subrequest: Unauthenticated Access to access_control-Protected GET Routes

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.53, 6.4.41, 7.4.13, and 8.0.13, DefaultAuthenticationFailureHandler honored the request-supplied failurepath parameter when failureforward: true was enabled, allowing an unauthenticated...

PT-2021-3455 · Symfony · Symfony

Name of the Vulnerable Software and Affected Versions: Symfony versions 5.3.0 through 5.3.1 Description: A vulnerability in Symfony is related to firewall authentication. When an application defines multiple firewalls, the token authenticated by one of the firewalls was available for all other...