CVE-2026-28672

Apache Ranger: OS Command Injection via Username in UnixUserGroupBuilder

State: Published
Severity: 9.8 Critical
Published: Aug 10, 2026
Updated: Aug 12, 2026
Reserved: Mar 2, 2026

Description

Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in Apache Ranger.

This issue affects Apache Ranger: from 0.6 through 2.8.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CISA-ADP

Weaknesses

CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')

Affected Products

Product	Versions
Apache RangerApache Software Foundation	0.6 through 2.8Affected

References

https://lists.apache.org/thread/99ysjqcmz950o3jgm6pqx1wb696onzq7vendor-advisory
http://www.openwall.com/lists/oss-security/2026/08/09/2

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