Apache Ranger: OS Command Injection via Username in UnixUserGroupBuilder

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-28672
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 11:17:25 UTC
Updated2026-10-23 20:10:00 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.026310000 probability, percentile 0.842500000 (date 2026-08-18)

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

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Ranger All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Ranger affected 0.6 2.8 semver Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/99ysjqcmz950o3jgm6pqx1wb696onzq7 [email protected] lists.apache.org Mailing List, Vendor Advisory
www.openwall.com/lists/oss-security/2026/08/09/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Andrea Cosentino (en)

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