The host is installed with GitLab CE/EE 13.10 before 15.11.10, 16.0 before 16.0.6 or 16.1 before 16.1.1 and is prone to an authorization bypass through user-controlled key. A flaw is present in the application, which fails to properly handle unspecified vectors. Successful exploitation could allow users to view new commits to private projects in a fork created while the project was public.