CVE-2026-108762

High

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.

SeverityHigh

CVSS7.3

Exploit probability—

ProductApache Kylin

PublishedOct 19, 2026

First seenOct 19, 2026

Weakness typeCWE-22Path traversal

How to fix

Vendor advisories

lists.apache.org/thread.html/6n1o1t14ssc5x4dg18hlv30crwbhwdpd

Affected products

Product	Affected versions	Fixed in
Apache Software Foundation Apache Kylin	4.0.0 ≤ v ≤ 5.0.4	—

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