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

Description

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.

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

References and patches

• https://lists.apache.org/thread.html/6n1o1t14ssc5x4dg18hlv30crwbhwdpd vendor-advisory
• http://www.openwall.com/lists/oss-security/2026/10/16/13