---
id: CVE-2026-108709
title: 'Apache Kylin: Unauthenticated Metadata Broadcast (inside in-house network)'
summary: "Authentication bypass within in-house network in Apache Kylin.\_Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted.\n\n\n\nThis issue affects …"
severity: none
vendor: Apache Software Foundation
product: Apache Kylin
affected:
  - apache_kylin >= 4.0.4 <= 5.0.4
published: '2026-10-16'
updated: '2026-10-16'
sourceUpdated: '2026-10-16T20:09:53.732Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-108709'
references:
  - url: 'https://lists.apache.org/thread.html/okkvcvoj1007f6cxhwp9v6j6t4ynfnwb'
tags:
  - cve.org
ingestedAt: '2026-10-16T20:51:40.020Z'
---

## Overview

Authentication bypass within in-house network in Apache Kylin. Impact most to the kylin services that are directly exposed to public network, which is not common. In-house kylin deployments are mostly not impacted.



This issue affects Apache Kylin: from 4.0.4 through 5.0.4.



Users are recommended to upgrade to version 5.0.5, which fixes the issue.

## Affected

- `apache_kylin >= 4.0.4 <= 5.0.4`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.