Insecure authorization in Project Deploy Keys in GitLab CE/EE 12.8 and later through 13.0.1 allows users to update permissions of other users' deploy keys under certain conditions
An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.
An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.
GitLab EE/CE 8.11 to 12.9 is leaking information on Issues opened in a public project and then moved to a private project through Web-UI and GraphQL API.