CVE-2026-32254

7.1 HIGH
Published: March 18, 2026 Modified: March 19, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0
Source: security-advisories@github.com
Product Release Notes
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g
Source: security-advisories@github.com
Exploit Mitigation Patch Vendor Advisory
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit Mitigation Patch Vendor Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.1 / 10.0
EPSS (Exploit Probability)
0.0%
10th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

kube-router