CVE-2025-66518

HIGH

Apache Kyuubi <1.10.2 - Auth Bypass

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2026/01/05/1

Scores

CVSS v3 8.8
EPSS 0.0004
EPSS Percentile 11.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22 CWE-27
Status published
Products (2)
apache/kyuubi 1.6.0 - 1.10.3
org.apache.kyuubi/kyuubi-server_2.12 1.6.0 - 1.10.3Maven
Published Jan 05, 2026
Tracked Since Feb 18, 2026