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CVE-2026-32254

7.1 · HIGH

Kube-router is a turnkey solution for Kubernetes networking.

Published Mar 18, 2026CWE-284EPSS 0.46%

Overview

CVE-2026-32254 is a high-severity vulnerability. It was published on March 18, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456GitHubgithub.com/cloudnativelabs/kube-router/releases/tag/v2.8.0GitHubgithub.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gGitHubgithub.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g

How CyberStrike helps

Frequently asked questions

What is CVE-2026-32254?

CVE-2026-32254 is a high-severity vulnerability. It was published on March 18, 2026 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-32254?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-32254?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-32254?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-32254 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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