CVE-2020-10080
GitLab 8.3 through 12.8.1 allows Information Disclosure. It was possible for certain non-members to access the Contribution Analytics page of a private group.
Date published : 2020-03-13
https://about.gitlab.com/releases/2020/03/04/gitlab-12-dot-8-dot-2-released/index.html
https://about.gitlab.com/releases/2020/03/04/gitlab-12-dot-8-dot-2-released/