Is this vulnerability remotely exploitable from the internet?

Indirectly. An external attacker would generally need to first compromise credentials or a workload with permissions to create or modify Services. Once that access is obtained, they could leverage the misconfigured externalIPs or loadBalancer IPs to influence how services are exposed or routed.

What level of access is required to exploit this issue?

Exploitation requires the ability to create or update Kubernetes Service objects that Kube-router processes, particularly the fields related to `externalIPs` or load balancer IPs. This typically corresponds to elevated or operator-level RBAC permissions.

What is the safest general fix pattern?

The safest pattern is to strictly limit who can define or modify externalIPs and loadBalancer IPs, enforce strong admission policies on allowed IP ranges, and ensure the networking stack validates external service IP configuration before applying it to nodes.

Severity:

HIGH RISK

(7.1)

Improper Access Control for Service External IPs (CWE-284) in Kube-router Proxy

CVE-2026-32254

Published:

Mar 17, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284

Impact:

Unauthorized Network Reconfiguration / Traffic Redirection

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

Vulnerability Type

Category:

Improper Access Control

CWE:

CWE-284

Impact:

Unauthorized Network Reconfiguration / Traffic Redirection

Severity:

HIGH RISK

(7.1)

CVSS Version:

3.1

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Improper Access Control for Service External IPs (CWE-284) in Kube-router Proxy

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(8.6)

Server-Side Request Forgery (CWE-918) in OpenClaw Zalo Plugin sendPhoto

HIGH RISK

HIGH

(8.8)

Authorization Bypass (CWE-863) in OpenClaw Matrix Room Control Commands

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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