CVE-2026-22771

Описание

Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway. Prior to 1.5.7 and 1.6.2, EnvoyExtensionPolicy Lua scripts executed by Envoy proxy can be used to leak the proxy's credentials. These credentials can then be used to communicate with the control plane and gain access to all secrets that are used by Envoy proxy, e.g. TLS private keys and credentials used for downstream and upstream communication. This vulnerability is fixed in 1.5.7 and 1.6.2.

A flaw was found in Envoy Gateway. EnvoyExtensionPolicy Lua scripts, when executed by the Envoy proxy, can be exploited to leak the proxy's credentials. An attacker can then use these credentials to communicate with the control plane and gain unauthorized access to all secrets managed by the Envoy proxy, including sensitive TLS private keys. This vulnerability leads to critical information disclosure, potentially compromising the security of communications.