An issue has been discovered in GitLab CE/EE affecting all versions from 17.10 before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that could have allowed an authenticated user to gain unauthorized access to confidential issues by creating a project with an identical name to the victim's project.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to view certain pipeline values by querying the API.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content intended only for project members by authenticating through OAuth providers.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.4 before 18.4.3, and 18.5 before 18.5.1 that under certain conditions could have allowed authenticated users to gain unauthorized project access by exploiting the access request approval workflow.

An issue has been discovered in GitLab EE affecting all versions from 18.0 before 18.0.4 and 18.1 before 18.1.2 that could have allowed authenticated maintainers to bypass group-level user invitation restrictions by sending crafted API requests.