Missing Authentication Affecting github.com/kgateway-dev/kgateway/v2/internal/kgateway/setup package, versions >=2.0.0 <2.0.5


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-GOLANG-GITHUBCOMKGATEWAYDEVKGATEWAYV2INTERNALKGATEWAYSETUP-13834411
  • published9 Nov 2025
  • disclosed4 Nov 2025
  • creditRicardo Pchevuzinske Katz

Introduced: 4 Nov 2025

NewCVE-2025-64323  (opens in a new tab)
CWE-306  (opens in a new tab)

How to fix?

Upgrade github.com/kgateway-dev/kgateway/v2/internal/kgateway/setup to version 2.0.5 or higher.

Overview

Affected versions of this package are vulnerable to Missing Authentication in the xDS interface. An attacker can access sensitive configuration data, including certificate information, backend service details, routing rules, and cluster metadata, by connecting to the exposed port without authentication.

Workaround

This vulnerability can be mitigated by restricting network access to the xDS port using NetworkPolicies to allow only trusted sources.

CVSS Base Scores

version 4.0
version 3.1