An issue was discovered in GitLab Community and Enterprise Edition 12.0 through 12.1.4. It uses Hard-coded Credentials.
https://gitlab.com/gitlab-org/omnibus-gitlab/issues/4530
https://about.gitlab.com/blog/categories/releases/
https://about.gitlab.com/2019/08/12/critical-security-release-gitlab-12-dot-1-dot-6-released/