How severe is CVE-2026-32254?

CVE-2026-32254 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.

Is CVE-2026-32254 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-32254?

CVE-2026-32254 affects Kube-router. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-32254?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-32254 have an EU (EUVD) identifier?

Yes. CVE-2026-32254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12757.

When was CVE-2026-32254 published?

CVE-2026-32254 was published on 2026-03-18 and last updated on 2026-06-17.

CVE-2026-32254

CVE-2026-32254 is a high-severity vulnerability in Kube-router with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12757
Weakness: CWE-284
Affected product: Kube-router
Published: 2026-03-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-32254?: 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.
How severe is CVE-2026-32254?: CVE-2026-32254 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability high.
Is CVE-2026-32254 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-32254?: CVE-2026-32254 affects Kube-router. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-32254?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-32254 have an EU (EUVD) identifier?: Yes. CVE-2026-32254 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12757.
When was CVE-2026-32254 published?: CVE-2026-32254 was published on 2026-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kube-router:kube-router:*:*:*:*:*:kubernetes:*:*

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