GitLab 8.3 through 12.8.1 allows Information Disclosure. It was possible for certain non-members to access the Contribution Analytics page of a private group.
GitLab before 12.8.2 has Incorrect Access Control. It was internally discovered that the LFS import process could potentially be used to incorrectly access LFS objects not owned by the user.
GitLab 12.8.x before 12.8.6, when sign-up is enabled, allows remote attackers to bypass email domain restrictions within the two-day grace period for an unconfirmed email address.
An issue was discovered in GitLab Community and Enterprise Edition 11.11 through 12.0.2. When an admin enabled one of the service templates, it was triggering an action that leads to resource depletion. It allows Uncontrolled Resource Consumption.
An issue was discovered in GitLab Community and Enterprise Edition 9.2 through 12.0.2. Uploaded files associated with unsaved personal snippets were accessible to unauthorized users due to improper permission settings. It has Incorrect Access Control.
An issue was discovered in GitLab Enterprise Edition 8.3 through 12.0.2. The color codes decoder was vulnerable to a resource depletion attack if specific formats were used. It allows Uncontrolled Resource Consumption.
An issue was discovered in GitLab Enterprise Edition 8.11.0 through 12.0.2. By using brute-force a user with access to a project, but not it's repository could create a list of merge requests template names. It has excessive algorithmic complexity.
An issue was discovered in GitLab Enterprise Edition 10.6 through 12.0.2. The GitHub project integration was vulnerable to an SSRF vulnerability which allowed an attacker to make requests to local network resources. It has Incorrect Access Control.
An issue was discovered in GitLab Community and Enterprise Edition 9.0 and through 12.0.2. Users with access to issues, but not the repository were able to view the number of related merge requests on an issue. It has Incorrect Access Control.
An issue was discovered in GitLab Community and Enterprise Edition 8.9 through 11.11. Wiki Pages contained a lack of input validation which resulted in a persistent XSS vulnerability.