CVE-2026-108762: Apache Kylin: delete metadata backup path-confinement bypass

Q: Which deployments are most exposed to this issue?

Apache Kylin services directly exposed to the public network are most impacted. The advisory says this exposure is uncommon, and most in-house Kylin deployments are not impacted.

Q: What versions need to be remediated?

Apache Kylin versions from 4.0.0 through 5.0.4 are affected. Upgrade to version 5.0.5, which fixes the issue.

Published Oct 19, 2026

Updated

Path-confinement bypass during metadata backup deletion 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 4.0.0 through 5.0.4.

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

Affected Software

1 affected component

Apache Kylin>=4.0.0<=5.0.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade Apache Kylin to a version that resolves this vulnerability.
Fixed in 5.0.5

Event History

Oct 19, 2026

CVE Published

via MITRE·09:16 AM

Data Sourced

via MITRE·09:16 AM

Description

Data Sourced

via NVD·10:16 AM

Description

Frequently Asked Questions

Which deployments are most exposed to this issue?

Apache Kylin services directly exposed to the public network are most impacted. The advisory says this exposure is uncommon, and most in-house Kylin deployments are not impacted.

What versions need to be remediated?