Gitlab Community Edition version 10.3 is vulnerable to an improper authorization issue in the deployment keys component resulting in unauthorized use of deployment keys by guest users.
GitLab Community Edition (CE) and Enterprise Edition (EE) before 8.17.8, 9.0.x before 9.0.13, 9.1.x before 9.1.10, 9.2.x before 9.2.10, 9.3.x before 9.3.10, and 9.4.x before 9.4.4 might allow remote attackers to execute arbitrary code via a crafted SSH URL in a project import.