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    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.

    Published:Mar 18, 2026
    Last Modified:Mar 24, 2026
    EPS:Mar 18, 2026
    EPSS Score:0.00047
    CVSS Score:7.1

    Affected Products

    Vendor
    Cloudnativelabs
    Product
    Kube-router
    Vendor
    Kube-router
    Product
    Kube-router

    Exploits

    https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8ghttps://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g

    Common Weakness Enumeration

    CWE-284 Improper Access Control

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High