SB2026011244 - Missing authorization in Apache Kyuubi
Published: January 12, 2026
Security Bulletin ID
SB2026011244
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Missing authorization (CVE-ID: CVE-2025-66518)
CWE-ID: CWE-862 - Missing Authorization
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
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.