Apache Kylin Missing Auth in Metadata Dump API (4-5.0.4)
CVE-2026-63619 Published on October 16, 2026
Apache Kylin: Missing authorization and path-confinement on system meta dump
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.
Vulnerability Analysis
CVE-2026-63619 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-63619 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-63619
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Affected Versions
Apache Software Foundation Apache Kylin:- Version 4..0.0, <= 5.0.4 is affected.