SB2026011244 - Missing authorization in Apache Kyuubi



SB2026011244 - Missing authorization in Apache Kyuubi

Published: January 12, 2026

Security Bulletin ID SB2026011244
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Missing authorization (CVE-ID: CVE-2025-66518)

The vulnerability allows a remote user to gain unauthorized access to the application.

The vulnerability exists due to the application does not enforce access restrictions listed in the kyuubi.session.local.dir.allow.list config. A remote client with access to Apache Kyuubi Server via Kyuubi frontend protocol can access files not listed in the kyuubi.session.local.dir.allow.list config.


Remediation

Install update from vendor's website.