CVE-2026-53714 Envoy Gateway: xDS Control Plane Information Disclosure when Envoy Gateway operates in GatewayNamespaceMode

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, the xDS gRPC server in GatewayNamespaceMode, configured through provider.kubernetes.deploy.type=GatewayNamespace, installs a JWT StreamInterceptor bu...