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CVE-2025-66518

Good to know:

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Date: January 5, 2026

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.

Severity Score

Related Resources (3)

https://nvd.nist.gov/vuln/detail/CVE-2025-66518
https://lists.apache.org/thread/xp460bwbyzdhho34ljd4nchyt2fmhodl
https://www.mend.io/vulnerability-database/CVE-2025-66518

Severity Score

Weakness Type (CWE)

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

CWE-27

Top Fix

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Upgrade Version

Upgrade to version org.apache.kyuubi:kyuubi-server_2.12:1.10.3;https://github.com/apache/kyuubi.git - v1.10.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): LOW

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