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CVE-2025-66518 — Vulnerability in...

HIGH

Apache Kyuubi Server vulnerable to Path Traversal

Published January 5, 2026Updated February 3, 2026Source: osv

Summary

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.

Advisory Timeline

  • First published January 5, 2026 (280 days ago).
  • Last revised February 3, 2026 — 29 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Maven
Update org.apache.kyuubi:kyuubi-server_2.12 to 1.10.3 or later
<!-- Update pom.xml dependency version to 1.10.3 for org.apache.kyuubi:kyuubi-server_2.12 -->

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: maven (1).

PackageEcosystemAffectedFixed In
org.apache.kyuubi:kyuubi-server_2.12
maven
1.10.0, 1.10.1, 1.10.2, 1.6.0-incubating (+15 more)1.10.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.6 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
P
Scope
—
Confidentiality
—
Integrity
—
Availability
—

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L

References

Frequently Asked Questions

What is CVE-2025-66518?
Apache Kyuubi Server vulnerable to Path Traversal This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.6/10).
How do I check if my project is affected by CVE-2025-66518?
CVE-2025-66518 affects org.apache.kyuubi:kyuubi-server_2.12. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-66518 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.6

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-f8r6-6222-9pvc

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