---
id: CVE-2026-63619
title: 'Apache Kylin: Missing authorization and path-confinement on system meta dump'
summary: "Missing Authorization vulnerability in Apache Kylin. A backend metadata dump API misses the enough authorization and the path-confinement.\_Impact most to the kylin services that are directly exposed to public network, which is not common…"
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cvssSource: adp
cwe:
  - CWE-862
vendor: Apache Software Foundation
product: Apache Kylin
affected:
  - apache_kylin >= 4..0.0 <= 5.0.4
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-10-20T16:48:58.294009Z'
published: '2026-10-16'
updated: '2026-10-20'
sourceUpdated: '2026-10-20T16:49:10.635Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-63619'
references:
  - url: 'https://lists.apache.org/thread.html/p3rzz43h1kqc55wjshxmx2dbbmx76qrg'
tags:
  - cve.org
epss: 0.00265
epssPercentile: 0.18289
ingestedAt: '2026-10-16T13:06:42.681Z'
---

## Overview

Missing Authorization vulnerability in Apache Kylin. A backend metadata dump API misses the enough authorization and the path-confinement. 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 through 5.0.4.



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

## Affected

- `apache_kylin >= 4..0.0 <= 5.0.4`

## Remediation

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