CVE-2016-5393: Apache Hadoop

High severity, CVSS 8.8. EPSS: 3.1% chance of exploitation in the next 30 days.

In Apache Hadoop 2.6.x before 2.6.5 and 2.7.x before 2.7.3, a remote user who can authenticate with the HDFS NameNode can possibly run arbitrary commands with the same privileges as the HDFS service.

Affected products

• Apache Hadoop: version 2.7.0 only; version 2.7.1 only; version 2.7.2 only; version 2.6.0 only; version 2.6.1 only; version 2.6.2 only; …

Published 2016-11-29. Last modified 2026-06-17.