CVE-2026-53719 Envoy Gateway: Nil-dereference when SecurityPolicy targets TCPRoute without spec.authorization

Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. Prior to 1.7.4 and 1.8.1, translateSecurityPolicyForRoute in internal/gatewayapi/securitypolicy.go dereferences a nil authorization value when a namespace-scoped tenant create...