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CVE-2026-22771Envoy Extension Policy lua scripts injection causes arbitrary command execution

envoyproxy gateway; Red Hat Red Hat Connectivity Link 1 Published: (10 months ago)

Description

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.

Weakness (CWE): CWE-94

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
envoyproxy gateway < 1.5.7, >= 1.6.0-rc.0, < 1.6.2
Red Hat Red Hat Connectivity Link 1 —

References and patches

CPE matches (NVD) (2)
  • cpe:2.3:a:envoyproxy:gateway:*:*:*:*:*:*:*:* < 1.5.7
  • cpe:2.3:a:envoyproxy:gateway:*:*:*:*:*:*:*:* ≥ 1.6.0 < 1.6.2