CVE-2026-62391

High

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.

SeverityHigh

CVSS8.1

Exploit probability56. percentile0.8%

Product

Apache Kyuubi

PublishedJul 31, 2026

First seenJul 31, 2026

Weakness typeCWE-22Path traversal CWE-27CWE-27

How to fix

Update

apache kyuubi1.12.0 or later

Vendor advisories

lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1

Affected products

Product	Affected versions	Fixed in
apache kyuubi	1.6.0 ≤ v < 1.12.0	1.12.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.