An issue has been discovered in GitLab affecting all versions before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. The main branch of a repository with a specially crafted name allows an attacker to create repositories with malicious code, victims who clone or download these repositories will execute arbitrary code on their systems.

An issue has been discovered in GitLab affecting all versions before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. Under certain conditions, an attacker may be able to map a private email of a GitLab user to their GitLab account on an instance.

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 12.9.8, all versions starting from 12.10 before 12.10.7, all versions starting from 13.0 before 13.0.1. A user with the role of developer could use the import project feature to leak CI/CD variables.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.1 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A user could use an unverified email as a public email and commit email by sending a specifically crafted request on user update settings.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.8.5, 15.9.4, 15.10.1. Open redirects was possible due to framing arbitrary content on any page allowing user controlled markdown

An issue was discovered in GitLab Community and Enterprise Edition before 11.11.8, 12 before 12.0.6, and 12.1 before 12.1.6. Gitaly allows injection of command-line flags. This sometimes leads to privilege escalation or remote code execution.

An issue was discovered in GitLab Community and Enterprise Edition before 11.11.8, 12 before 12.0.6, and 12.1 before 12.1.6. Cookies for GitLab Pages (which have access control) could be sent over cleartext HTTP.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. blog-viewer has stored XSS during repository browsing, if package.json exists. .

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is stored XSS on the merge request page via project import.

An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is stored XSS on the issue details screen.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers may have been able to obtain sensitive access-token data from Sentry logs via the GRPC::Unknown exception.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Cross Site Request Forgery (CSRF) in the Slack integration for issuing slash commands.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. There is Server-Side Request Forgery (SSRF) via the Kubernetes integration, leading (for example) to disclosure of a GCP service token.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Remote attackers could obtain sensitive information about issues, comments, and project titles via events API insecure direct object reference.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. The diff formatter using rouge can block for a long time in Sidekiq jobs without any timeout.

An issue was identified in GitLab CE/EE affecting all versions from 1.0 prior to 15.8.5, 15.9 prior to 15.9.4, and 15.10 prior to 15.10.1 where non-printable characters gets copied from clipboard, allowing unexpected commands to be executed on victim machine.

An issue has been discovered in GitLab affecting all versions starting from 8.1 to 15.8.5, and from 15.9 to 15.9.4, and from 15.10 to 15.10.1. It was possible to add a branch with an ambiguous name that could be used to social engineer users.

An issue has been discovered in GitLab affecting all versions starting from 9.0 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. It was possible to trigger a resource depletion attack due to improper filtering for number of requests to read commits details.