GitLab before 12.8.2 allows Information Disclosure. Badge images were not being proxied, causing mixed content warnings as well as leaking the IP address of the user.
GitLab before 12.8.2 has Incorrect Access Control. It was internally discovered that the LFS import process could potentially be used to incorrectly access LFS objects not owned by the user.
An issue was discovered in GitLab Community and Enterprise Edition before 12.0.3. One of the parsers used by Gilab CI was vulnerable to a resource exhaustion attack. It allows Uncontrolled Resource Consumption.
The (1) create_branch, (2) create_tag, (3) import_project, and (4) fork_project functions in lib/gitlab_projects.rb in GitLab 5.0 before 5.4.2, Community Edition before 6.2.4, Enterprise Edition before 6.2.1 and gitlab-shell before 1.7.8 allows remote authenticated users to include information from local files into the metadata of a Git repository via the web interface.
The parse_cmd function in lib/gitlab_shell.rb in GitLab 5.0 before 5.4.2, Community Edition before 6.2.4, and Enterprise Edition before 6.2.1 and gitlab-shell before 1.7.8 allows remote authenticated users to gain privileges and clone arbitrary repositories.