CVE-2026-32254: Kube-router Proxy Module Blindly Trusts ExternalIPs/LoadBalancer IPs Enabling Cluster-Wide Traffic Hijacking and DNS DoS

CVE-2026-32254 · Severity: low · CVSS 3.1 · Published 2026-03-26

Kube-router Proxy Module Blindly Trusts ExternalIPs/LoadBalancer IPs Enabling Cluster-Wide Traffic Hijacking and DNS DoS in github.com/cloudnativelabs/kube-router

Technologies: github.com/cloudnativelabs/kube-router (Go), github.com/cloudnativelabs/kube-router/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2026-32254 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-32254 being exploited in the wild.
How severe is CVE-2026-32254?
Low severity, with a CVSS score of 3.1, published 26 March 2026.
Which products and versions are affected?
github.com/cloudnativelabs/kube-router (Go) SEMVER:introduced=0; github.com/cloudnativelabs/kube-router/v2 (Go) SEMVER:introduced=0,fixed=2.8.0.
Is there a fix for CVE-2026-32254?
Yes. github.com/cloudnativelabs/kube-router/v2 (Go): upgrade to 2.8.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-32254?
Check whether you run github.com/cloudnativelabs/kube-router (Go) or github.com/cloudnativelabs/kube-router/v2 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/cloudnativelabs/kube-router/v2 (Go): upgrade to 2.8.0 or later
    go get github.com/cloudnativelabs/kube-router/v2@v2.8.0

Affected products

  • github.com/cloudnativelabs/kube-router (Go) SEMVER:introduced=0
  • github.com/cloudnativelabs/kube-router/v2 (Go) SEMVER:introduced=0,fixed=2.8.0

Identifiers

  • CVE-2026-32254
  • GHSA-phqm-jgc3-qf8g
  • GO-2026-4724

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