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SCA: security update for github.com/envoyproxy/gateway (GHSA-22xc-xg2r-9j7v)

high Tenable Cloud Security Plugin ID 444807

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Envoy Gateway is an open source project for managing Envoy Proxy as a standalone or Kubernetes-based
 application gateway. Prior to 1.7.4 and 1.8.1, the xDS gRPC server in GatewayNamespaceMode, configured
 through provider.kubernetes.deploy.type=GatewayNamespace, installs a JWT StreamInterceptor but no
 UnaryInterceptor, leaving every unary Fetch RPC unauthenticated. The streaming interceptor also
 authenticates only discoveryv3.DeltaDiscoveryRequest messages; a discoveryv3.DiscoveryRequest used by the
 State-of-the-World protocol fails the type assertion and returns success without JWT validation. Any pod
 that can reach port 18000 can use the unauthenticated unary or State-of-the-World paths to retrieve TLS
 private keys through StreamSecrets, all xDS resources through StreamAggregatedResources, backend endpoints
 through StreamClusters or StreamEndpoints, and routing configuration through StreamRoutes or
 StreamListeners. This issue is fixed in versions 1.7.4 and 1.8.1. (CVE-2026-53714)

Solution

Update the github.com/envoyproxy/gateway library and its related packages to version 1.7.4 or later.

See Also

https://github.com/advisories/GHSA-22xc-xg2r-9j7v

Plugin Details

Severity: High

ID: 444807

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 7/17/2026

Updated: 9/15/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.19

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.5

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:N/A:N

CVSS Score Source: CVE-2026-53714

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 7/16/2026

Vulnerability Publication Date: 7/16/2026

Reference Information

CVE: CVE-2026-53714

cwe: CWE-306