CVE-2026-42551 Flight: HTTP method override enabled by default enables CSRF escalation and middleware bypass in flightphp/core

Flight is an extensible micro-framework for PHP. Prior to 3.18.1, Request::getMethod unconditionally honors the X-HTTP-Method-Override header and the $REQUEST'method' parameter on any HTTP verb including safe verbs such as GET, with no opt-in and no whitelist of permitted target methods. A GET...