CVE-2026-22771 is a critical vulnerability affecting Envoy Gateway versions prior to 1.5.7 and 1.6.2. It allows attackers to leak Envoy Proxy credentials via malicious Lua scripts within EnvoyExtensionPolicy. This enables unauthorized access to the control plane and all secrets, including TLS private keys and communication credentials. Rated 8.8 HIGH (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H), it presents a significant risk with high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.7CPE matchmatch criteria | cpe:2.3:a:envoyproxy:gateway:*:*:*:*:*:*:*:* | ||
>= 1.6.0, < 1.6.2CPE matchmatch criteria | cpe:2.3:a:envoyproxy:gateway:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.