CVE-2026-32254

Name: CVE-2026-32254
Creator: NVD / NIST
Published: 2026-03-18T04:17:24.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.30%

Last modified Jun 17, 2026

CVE-2026-32254 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.30% chance of exploitation in the next 30 days.

Description

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 contains a patch for the issue. Available workarounds include enabling DenyServiceExternalIPs feature gate, deploying admission policy, restricting service creation RBAC, monitoring service changes, and applying BGP prefix filtering.

Metrics

CVSS 3.1

7.1/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

EPSS Probability

0.30%

21.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Kube-Router	Kube-Router	< 2.8.0

References

https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456Patch
https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0Product, Release Notes
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gExploit, Mitigation, Patch, Vendor Advisory
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gExploit, Mitigation, Patch, Vendor Advisory

Timeline

Published: Mar 18, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-32254?

How severe is CVE-2026-32254?

CVE-2026-32254 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.

How do I fix CVE-2026-32254?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-32254?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST