Dozzle: Pre-auth SSRF with response-body reflection via POST /api/notifications/test-webhook (default no-auth deploy)

Summary In a default dozzle deploy the documented quickstart, no DOZZLEAUTHPROVIDER set, POST /api/notifications/test-webhook is reachable without authentication and forwards an attacker-controlled URL into a WebhookDispatcher that: - Sends an HTTP POST to the supplied URL with attacker-controlle...