The host is installed with GitLab EE 15.2 before 15.9.6, 15.10 before 15.10.5, 15.11 before 15.11.1 and is prone to an unspecified vulnerability. A flaw is present in the application, which fails to properly handle unspecified vector. Successful exploitation allows a malicious group member to continue have access to the public projects of a public group even after being banned from the public group by the owner.