CVE-2025-66518

High

Description

Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allow.list and use local files which are not listed in the config. This issue affects Apache Kyuubi: from 1.6.0 through 1.10.2. Users are recommended to upgrade to version 1.10.3 or upper, which fixes the issue.

SeverityHigh

CVSS8.8

Exploit probability—

Product

Apache Kyuubi

PublishedJan 5, 2026

First seenJan 5, 2026

Weakness typeCWE-27CWE-27

How to fix

Update

apache kyuubi1.10.3 or later
org.apache.kyuubi:kyuubi-server_2.121.10.3 or later

Vendor advisories

lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl

Affected products

Product	Affected versions	Fixed in
apache kyuubi	1.6.0 ≤ v < 1.10.3	1.10.3
org.apache.kyuubi:kyuubi-server_2.12Maven	1.6.0 ≤ v < 1.10.3	1.10.3

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