CVE-2026-62391

Severity CVSS v4.0:

Pending analysis

Type:

CWE-22 Path Traversal

Publication date:

31/07/2026

Last modified:

10/08/2026

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.<br /> <br /> This issue affects Apache Kyuubi: from 1.6.0 before 1.12.0.<br /> <br /> Users are recommended to upgrade to version 1.12.0, which fixes the issue.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

8.10

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:kyuubi::::::::	1.6.0 (including)	1.12.0 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://lists.apache.org/thread/vo4k4nxz23kfzrpp120nsojb0vrkx4w1