CVE-2026-67448 Mailpit: WebSocket origin check bypass via percent-encoded path (regression of CVE-2026-22689)

Mailpit is an email testing tool and API for developers. From 1.29.0 until 1.30.6, Mailpit's server/server.go origin middleware checks the raw RequestURI for the /api/ prefix while Go's ServeMux routes using the percent-decoded URL path, and server/websockets/client.go configures...