CVE-2015-3908: Red Hat Ansible

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Ansible before 1.9.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Affected products

• Red Hat Ansible: up to and including 1.9.1

Published 2015-08-12. Last modified 2026-06-17.