Command injection in Apache Ranger - CVE-2026-28672
Published: August 24, 2026
Vulnerability identifier: #VU144906
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-28672
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary commands.
The vulnerability exists due to command injection in UnixUserGroupBuilder when processing a username. A remote user can supply a specially crafted username to execute arbitrary commands.
Affected software
Apache Ranger
How to mitigate CVE-2026-28672
Install security update from vendor's website.
Apache Ranger - update to 2.9.0