Envoy Gateway: xDS Control Plane Information Disclosure when operating in GatewayNamespaceMode

Impact When Envoy Gateway runs in GatewayNamespaceMode provider.kubernetes.deploy.type=GatewayNamespace, the xDS gRPC server is configured with a StreamInterceptor for JWT authentication but no UnaryInterceptor. The go-control-plane xDS server exposes both streaming and unary Fetch RPC methods fo...

PT-2026-60686

Name of the Vulnerable Software and Affected Versions Envoy Gateway affected versions not specified Description When operating in GatewayNamespaceMode provider.kubernetes.deploy.type=GatewayNamespace, the xDS gRPC server lacks a UnaryInterceptor, leaving Fetch endpoints unauthenticated...