RCE in Envoyproxy Gateway
CVE-2026-22771
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 cr…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.006 (43.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Envoyproxy Gateway — versions < 1.5.7, >= 1.6.0-rc.0, < 1.6.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-22771?
- CVE-2026-22771 is a high-severity vulnerability in Envoyproxy Gateway, classified under Code Injection. CVSS score: 8.8/10. Published 2026-01-12.
- How severe is CVE-2026-22771?
- High severity. CVSS v3 base score is 8.8 out of 10.