What is CVE-2026-32254?

CVE-2026-32254 is a high-severity vulnerability in Cloudnativelabs Kube-router, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-03-18.

How severe is CVE-2026-32254?

High severity. CVSS v3 base score is 7.1 out of 10.

Vulnerability in Cloudnativelabs Kube-router

CVE-2026-32254

Kube-router is a turnkey solution for Kubernetes networking. Prior to version 2.8.0, Kube-router's proxy module does not validate externalIPs or loadBalancer IPs before programming them into the node's network configuration. Version 2.8.0…

EPSS: 0.001 (19.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Cloudnativelabs Kube-router — versions < 2.8.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g (x_refsource_CONFIRM)
https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456 (x_refsource_MISC)
https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32254?: CVE-2026-32254 is a high-severity vulnerability in Cloudnativelabs Kube-router, classified under Improper Access Control. CVSS score: 7.1/10. Published 2026-03-18.
How severe is CVE-2026-32254?: High severity. CVSS v3 base score is 7.1 out of 10.