CVE-2018-11766: Apache Hadoop

High severity, CVSS 8.8. EPSS: 3.2% chance of exploitation in the next 30 days.

In Apache Hadoop 2.7.4 to 2.7.6, the security fix for CVE-2016-6811 is incomplete. A user who can escalate to yarn user can possibly run arbitrary commands as root user.

Affected products

• Apache Hadoop: from 2.7.4, up to and including 2.7.6

Published 2018-11-27. Last modified 2026-06-17.