CVE-2017-17716: GitLab

Medium severity, CVSS 5.9. EPSS: 0.9% chance of exploitation in the next 30 days.

GitLab 9.4.x before 9.4.2 does not support LDAP SSL certificate verification, but a verify_certificates LDAP option was mentioned in the 9.4 release announcement. This issue occurred because code was not merged. This is related to use of the omniauth-ldap library and the gitlab_omniauth-ldap gem.

Affected products

• GitLab GitLab: version 9.4.0 only; version 9.4.1 only

Published 2017-12-17. Last modified 2026-06-17.