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NVD Vulnerability Details :
CVE-2026-32254
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-18 Mar, 2026 | 04:17
Updated At-19 Mar, 2026 | 18:06

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Type: Secondary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CPE Matches
kube-router
kube-router
>>kube-router>>Versions before 2.8.0(exclusive)
cpe:2.3:a:kube-router:kube-router:*:*:*:*:*:kubernetes:*:*
Weaknesses
CWE IDTypeSource
CWE-284Secondarysecurity-advisories@github.com
CWE ID: CWE-284
Type: Secondary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456security-advisories@github.com
Patch
https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0security-advisories@github.com
Product
Release Notes
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8gsecurity-advisories@github.com
Exploit
Mitigation
Patch
Vendor Advisory
https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Mitigation
Patch
Vendor Advisory
Hyperlink: https://github.com/cloudnativelabs/kube-router/commit/a1f0b2eea3ee0f66b9a5b5c49dcb714619ccd456
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/cloudnativelabs/kube-router/releases/tag/v2.8.0
Source: security-advisories@github.com
Resource:
Product
Release Notes
Hyperlink: https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g
Source: security-advisories@github.com
Resource:
Exploit
Mitigation
Patch
Vendor Advisory
Hyperlink: https://github.com/cloudnativelabs/kube-router/security/advisories/GHSA-phqm-jgc3-qf8g
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Mitigation
Patch
Vendor Advisory
Change History
0Changes found
Details not found