Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the proxy module due to blindly trusting ExternalIPs/LoadBalancer IPs. An attacker can redirect cluster-wide network traffic or disrupt DNS services by assigning arbitrary external IPs or loadBalancer IPs withou...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass in the proxy module due to blindly trusting ExternalIPs/LoadBalancer IPs. An attacker can redirect cluster-wide network traffic or disrupt DNS services by assigning arbitrary external IPs or loadBalancer IPs withou...

CVE-2026-32254: Improper Access Control

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...

GHSA-PHQM-JGC3-QF8G Kube-router Proxy Module Blindly Trusts ExternalIPs/LoadBalancer IPs Enabling Cluster-Wide Traffic Hijacking and DNS DoS

kube-router Proxy Module Does Not Validate ExternalIPs or LoadBalancer IPs Against Configured Ranges Summary This issue primarily affects multi-tenant clusters where untrusted users are granted namespace-scoped permissions to create or modify Services. Single-tenant clusters or clusters where all...