GitLab EE 3.0 through 12.8.1 allows SSRF. An internal investigation revealed that a particular deprecated service was creating a server side request forgery risk.
GitLab 10.1 through 12.8.1 has Incorrect Access Control. A scenario was discovered in which a GitLab account could be taken over through an expired link.
GitLab EE 11.6 through 12.8.1 allows Information Disclosure. Sending a specially crafted request to the vulnerability_feedback endpoint could result in the exposure of a private project namespace
GitLab 10.4 through 12.8.1 allows Directory Traversal. A particular endpoint was vulnerable to a directory traversal vulnerability, leading to arbitrary file read.
GitLab before 12.8.2 allows Information Disclosure. Badge images were not being proxied, causing mixed content warnings as well as leaking the IP address of the user.
GitLab 7.10 through 12.8.1 has Incorrect Access Control. Under certain conditions where users should have been required to configure two-factor authentication, it was not being required.