CVE-2025-66518

HighCVSS 8.8/10Last modified Oct 7, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-27 CWE-22

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Kyuubi	>= 1.6.0, <= 1.10.2

References

https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodlMailing List
http://www.openwall.com/lists/oss-security/2026/01/05/1Mailing List, Third Party Advisory

Timeline

Published: Jan 5, 2026
Last modified: Oct 7, 2026
NVD status: Analyzed

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