CVE-2026-62391

The security fix for CVE-2025-66518 is incomplete. Any client who can access to Apache Kyuubi Server via Kyuubi frontend protocols can bypass server-side config kyuubi.session.local.dir.allowlist via unprefixed Spark config aliases. This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0. Users are recommended to upgrade to version 1.12.0, which fixes the issue.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1	Mailing List Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2026-07-31 11:17

Updated : 2026-08-10 14:22

NVD link : CVE-2026-62391

Mitre link : CVE-2026-62391

CVE.ORG link : CVE-2026-62391

JSON object : View

Products Affected

apache

kyuubi

CWE

CWE-22

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

CWE-27

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

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