CVE-2025-66518

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl	Mailing List
http://www.openwall.com/lists/oss-security/2026/01/05/1	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:kyuubi:*:*:*:*:*:*:*:*

History

27 Jan 2026, 21:32

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
CPE		cpe:2.3:a:apache:kyuubi::::::::
First Time		Apache kyuubi Apache
CWE		CWE-22
References	~~() https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl -~~	() https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl - Mailing List
References	~~() http://www.openwall.com/lists/oss-security/2026/01/05/1 -~~	() http://www.openwall.com/lists/oss-security/2026/01/05/1 - Mailing List, Third Party Advisory

05 Jan 2026, 13:15

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2026/01/05/1 -

05 Jan 2026, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-05 09:15

Updated : 2026-01-27 21:32

NVD link : CVE-2025-66518

Mitre link : CVE-2025-66518

CVE.ORG link : CVE-2025-66518

JSON object : View

Products Affected

apache

kyuubi

CWE

CWE-27

Path Traversal: 'dir/../../filename'

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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