CVE-2026-62391

HighCVSS 8.1/10Last modified Oct 23, 2026

Description

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.

Metrics

CVSS 3.1 8.1/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-22 CWE-27

Affected software

Vendor	Product	Versions
Apache Software Foundation	Apache Kyuubi	>= 1.6.0, < 1.12.0

References

https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1Mailing List, Vendor Advisory

Timeline

Published: Jul 31, 2026
Last modified: Oct 23, 2026
NVD status: Analyzed

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