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Fencer Intel
medium 5.3

CVE-2025-64323 json

kgateway is missing xDS authorization

published last yr. modified 4mo ago also GHSA-4766-x535-jw3r , GO-2025-4094 , EUVD-2025-37852

cvss
5.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

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.

Patch / fix

  • go github.com/kgateway-dev/kgateway/v2 2.0.5, 2.1.0
  • govulncheck-vulndb openSUSE Leap 16.0 0.0.20260723T184607-160000.1.1

opensuse advisories openSUSE-SU-2026:21483-1

Is CVE-2025-64323 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/kgateway-dev/kgateway/v2
>=2.1.0-agw-cel-rbac, <2.1.0
<2.0.5
2.1.0
2.0.5
go github.com/kgateway-dev/kgateway
all versions
 no fix listed

Affected products

  • kgateway-dev kgateway

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.