CVE-2026-22771Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based application gateway.
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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.
- CVSS
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Modified
- Record last updated
- Jul 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
envoyproxy gateway envoyproxy:gateway | before 1.5.7; from 1.6.0 before 1.6.2 | NVD |
References
- https://github.com/envoyproxy/gateway/security/advisories/GHSA-xrwg-mqj6-6m22exploit, mitigation, vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-22771
- https://bugzilla.redhat.com/show_bug.cgi?id=2428735
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-22771.json
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.