CVE-2025-66518 - CVE House
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Status published High CVE-2025-66518

Apache Kyuubi: Unauthorized directory access due to missing path normalization

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Hiroki Egawa
  • Hiroki Egawa

References

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Affected Vendor

Apache Software Foundation

View all reports →

Affected Software

Apache Kyuubi
Vulnerable Versions:
1.6.0

Timeline

Official Publish: January 5th, 2026
Last Modified: January 5th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-27

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.