CVE-2026-32254: Kube-router is a turnkey solution for Kubernetes networking

Q: How do I fix CVE-2026-32254?

kube-router: upgrade to 2.8.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-32254 being exploited?

CVE-2026-32254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32254 affect?

CVE-2026-32254 affects kube-router. Severity is high (CVSS 7.1). 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 c

Q: How urgent is CVE-2026-32254?

Priority 41/100. High severity; Public exploit reference; On your watchlist

This month

HIGH 7.1WATCHLISTUPGRADE

CVE-2026-32254 is a high-severity flaw (CVSS 7.1) affecting kube-router. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-03-18
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: kube-router

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-18 04:17 UTCPublished CVE record published
2026-06-17 10:35 UTCUpdated Record last modified

kube-router kube-router UPGRADE

Affected: < 2.8.0

Fixed in: 2.8.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kube-router || rpm -q kube-router || kube-router --version

2. UPGRADE to 2.8.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kube-router

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kube-router

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32254?

kube-router: upgrade to 2.8.0. Exact commands for each OS are on this page.

Is CVE-2026-32254 being exploited?

CVE-2026-32254 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32254 affect?

CVE-2026-32254 affects kube-router. Severity is high (CVSS 7.1). 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 c

How urgent is CVE-2026-32254?

Priority 41/100. High severity; Public exploit reference; On your watchlist

Software pages

Kubernetes vulnerabilities

References

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