Medium 5.3Published Nov 6, 2025

CVE-2025-64323kgateway is missing xDS authorization

Updated under an hour ago (Oct 28, 2026, 5:30 AM ET)

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It affects kgateway-dev kgateway. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for kgateway-dev kgateway

Exploited in the last 30 days

kgateway is a Cloud-Native API and AI Gateway. Versions 2.0.4 and below and 2.1.0-agw-cel-rbac through 2.1.0-rc.2 lack authentication, allowing any client with unrestricted network access to the xDS port to retrieve potentially sensitive configuration data including certificate data, backend service information, routing rules, and cluster metadata. This issue is solved in versions 2.0.5 and 2.1.0.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Nov 7, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

kgateway-dev kgateway kgateway_dev:kgateway (from the name)	from 2.1.0-agw-cel-rbac, < 2.1.0; before 2.0.5	CNA record

References

References

https://github.com/kgateway-dev/kgateway/security/advisories/GHSA-4766-x535-jw3r	x-refsource-confirm
https://github.com/kgateway-dev/kgateway/issues/10651	x-refsource-misc
https://github.com/kgateway-dev/kgateway/pull/12471	x-refsource-misc
https://github.com/kgateway-dev/kgateway/pull/12535	x-refsource-misc

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.