GitLab 8.10 and later through 12.9 is vulnerable to an SSRF in a project import note feature.

GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.

GitLab through 12.9 is affected by a potential DoS in repository archive download.

In GitLab EE 11.7 through 12.9, the NPM feature is vulnerable to a path traversal issue.

GitLab EE/CE 8.11 through 12.9.1 allows blocked users to pull/push docker images.

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.

GitLab 12.1 through 12.8.1 allows XSS. A cross-site scripting vulnerability was present in a particular view relating to the Grafana integration.

GitLab 9.3 through 12.8.1 allows XSS. A cross-site scripting vulnerability was found when viewing particular file types.

GitLab 11.7 through 12.8.1 allows Information Disclosure. Under certain group conditions, group epic information was unintentionally being disclosed.

GitLab 8.11 through 12.8.1 allows a Denial of Service when using several features to recursively request eachother,

GitLab 12.5 through 12.8.1 has Insecure Permissions. Depending on particular group settings, it was possible for invited groups to be given the incorrect permission level.

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 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 12.3.5 through 12.8.1 allows Information Disclosure. A particular view was exposing merge private merge request titles.

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 12.7 through 12.8.1 has Insecure Permissions. Under certain conditions involving groups, project authorization changes were not being applied.

GitLab 12.2 through 12.8.1 allows Denial of Service. A denial of service vulnerability impacting the designs for public issues was discovered.

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 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 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.