An issue was discovered in GitLab Community and Enterprise Edition 8.17 through 12.4 in the Search feature provided by Elasticsearch integration.. It has Insecure Permissions (issue 1 of 4).
https://about.gitlab.com/blog/categories/releases/
https://about.gitlab.com/blog/2019/10/30/security-release-gitlab-12-dot-4-dot-1-released/