CVE-2016-9587: Ansible

High severity, CVSS 8.1. EPSS: 17.1% chance of exploitation in the next 30 days.

Ansible before versions 2.1.4, 2.2.1 is vulnerable to an improper input validation in Ansible's handling of data sent from client systems. An attacker with control over a client system being managed by Ansible and the ability to send facts back to the Ansible server could use this flaw to execute arbitrary code on the Ansible server using the Ansible server privileges.

Affected products

• Ansible Ansible: before 2.2.1 (fixed in 2.2.1)
• Red Hat Ansible: before 2.1.4 (fixed in 2.1.4)
• Red Hat Openstack: version 11 only

Published 2018-04-24. Last modified 2026-06-17.