CVE-2026-63619 Apache Kylin: Missing authorization and path-confinement on system meta dump

Critical 9.1 Published Updated

Attackers can access system metadata dumps without authorization if Apache Kylin is exposed to the public network.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-63619?

CVE-2026-63619 is a critical missing authorization vulnerability in Apache Kylin, published on 16 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-862

Which versions are affected by CVE-2026-63619?

How do I fix CVE-2026-63619?

No fix has been published for CVE-2026-63619 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-63619 being exploited?

There is no known exploitation of CVE-2026-63619 in the wild and no public exploit code.

Sources

Also known as GHSA-8gxg-4vj4-998q.

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