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CVE-2026-28672 Apache Ranger

Affected softwareApache Ranger
Severity9.8 Critical CVSS 3.1
WeaknessCommand injection (CWE-77)
Published10 Aug 2026
Updated23 Oct 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.

Exploitation status

No public exploit

No exploit has been reported in the sources we check. The 1 repository below are public GitHub repositories with fewer than 5 stars.

  • CISA KEV not listed
  • VulnCheck KEV not listed
  • CISA Vulnrichment exploitation: none
  • Indexed PoC 1 indexed, none at 5+ stars
  • EPSS 2.6% chance in 30 days

1 of these are GitHub repositories with fewer than 5 stars. They are listed for reference and don't count toward the exploitation status above.

IndexArtifactStarsFirst seen
GitHub PoC Reproducer for CVE-2026-28672 (Apache Ranger UnixUserGroupBuilder OS command injection via username in the unixusersync module) 2026-08-24

Waratek protection

Protected by Waratek

Waratek has a rule that blocks attacks on this vulnerability.

Decided by A vulnerability class already blocked by an ARMR security rule
Finding Protected by Waratek's ARMR command-injection security rule, which blocks this class of attack at the JVM level without a rule written for this CVE specifically. The CVE's weakness is CWE-77: Command Injection.

How to mitigate CVE-2026-28672

Apply the vendor's fix for Apache Ranger. Until you can, Waratek RASP blocks exploitation with its process rule. It runs inside the Java application, with no code changes.

Waratek RASP Runtime protection for Java applications

Affected software and releases

Maven packages

Affected and fixed versions, from OSV.dev
PackageIntroducedFixedLast affected
org.apache.ranger:ranger 0.6.0 none 2.8.0

Products and versions

2 products, 2 version entries
SourceVendorProductSchemeAffected versions
nvd apache ranger generic ≥ 0.6.0 and ≤ 2.8.0
osv org.apache.ranger ranger generic ≥ 0.6.0 and ≤ 2.8.0

References

URLTags
https://github.com/apache/ranger PACKAGE
https://lists.apache.org/thread/99ysjqcmz950o3jgm6pqx1wb696onzq7 WEB
http://www.openwall.com/lists/oss-security/2026/08/09/2 WEB

Timeline

Published2026-08-10By the CVE Program.
NVD record modified2026-10-23NVD's own last-modified date for this record.