Under very specific conditions a user could be impersonated using Gitlab shell. This vulnerability affects GitLab CE/EE 13.1 and later through 14.1.2, 14.0.7 and 13.12.9.

A vulnerability was discovered in GitLab versions before 14.0.2, 13.12.6, 13.11.6. GitLab Webhook feature could be abused to perform denial of service attacks.

An issue has been discovered in GitLab affecting all versions starting with 13.3. GitLab was vulnerable to a stored XSS by using the design feature in issues.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.11 before 13.11.7, all versions starting from 13.12 before 13.12.8, and all versions starting from 14.0 before 14.0.4. A specially crafted design image allowed attackers to read arbitrary files on the server.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.

Insufficient input sanitization in markdown in GitLab version 13.11 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

A cross-site request forgery vulnerability in the GraphQL API in GitLab since version 13.12 and before versions 13.12.6 and 14.0.2 allowed an attacker to call mutations as the victim

A denial of service in user's profile page is found starting with GitLab CE/EE 8.0 that allows attacker to reject access to their profile page via using a specially crafted username.

Improper code rendering while rendering merge requests could be exploited to submit malicious code. This vulnerability affects GitLab CE/EE 9.3 and later through 13.11.6, 13.12.6, and 14.0.2.

An issue has been discovered in GitLab affecting all versions before 13.11.6, all versions starting from 13.12 before 13.12.6, and all versions starting from 14.0 before 14.0.2. Improper access control allows unauthorised users to access project details using Graphql.

Client-Side code injection through Feature Flag name in GitLab CE/EE starting with 11.9 allows a specially crafted feature flag name to PUT requests on behalf of other users via clicking on a link

HTML injection was possible via the full name field before versions 13.11.6, 13.12.6, and 14.0.2 in GitLab CE

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.8. Under a special condition it was possible to access data of an internal repository through project fork done by a project member.

Under certain conditions, some users were able to push to protected branches that were restricted to deploy keys in GitLab CE/EE since version 13.9