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 Community and Enterprise Edition 8.9 through 11.11. Wiki Pages contained a lack of input validation which resulted in a persistent XSS vulnerability.
An issue was discovered in GitLab Community and Enterprise Edition 8.4 through 11.11. A malicious user could execute JavaScript code on notes by importing a specially crafted project file. It allows XSS.
An issue was discovered in GitLab Community and Enterprise Edition before 12.0.3. One of the parsers used by Gilab CI was vulnerable to a resource exhaustion attack. It allows Uncontrolled Resource Consumption.
An issue was discovered in GitLab Community and Enterprise Edition 8.4 through 11.11. The protected branches feature contained a access control issue which resulted in a bypass of the protected branches restriction rules. It has Incorrect Access Control.
An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.