Improper access control in Apache Kyuubi - CVE-2026-23904
Published: August 25, 2026
Vulnerability identifier: #VU145162
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2026-23904
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform server-side request forgery.
The vulnerability exists due to improper access control in the Kyuubi engine-ui proxy when processing request paths containing attacker-supplied host and port values. A remote attacker can send a specially crafted request to perform server-side request forgery.
The issue can also result in open-proxy behavior.
Affected software
Apache Kyuubi
How to mitigate CVE-2026-23904
Install security update from vendor's website.
Apache Kyuubi - update to 1.12.0