An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1, which allows an attacker to merge arbitrary code into protected branches.

A branch/tag name confusion in GitLab CE/EE affecting all versions prior to 15.2.5, 15.3 prior to 15.3.4, and 15.4 prior to 15.4.1 allows an attacker to manipulate pages where the content of the default branch would be expected.

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an authorization bypass issue in the GitLab import component resulting in an attacker being able to perform operations under a group in which they were previously unauthorized.

A cross-site leak vulnerability in the OAuth flow of all versions of GitLab CE/EE since 7.10 allowed an attacker to leak an OAuth access token by getting the victim to visit a malicious page with Safari

Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 2 of 2).

A Stored Cross-Site Scripting vulnerability in the project settings page in GitLab CE/EE affecting all versions from 14.4 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1, allows an attacker to execute arbitrary JavaScript code in GitLab on a victim's behalf.

An issue has been discovered in GitLab affecting all versions starting from 12.1. Incorrect headers in specific project page allows attacker to have a temporary read access to the private repository

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. In certain cases an invalid username could be accepted when 2FA is activated.

An issue has been discovered in GitLab affecting all versions starting from 9.2 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not performing correct authorizations on scheduled pipelines allowing a malicious user to run a pipeline in the context of another user.

Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.

A issue has been discovered in GitLab CE/EE affecting all versions from 15.3 prior to 15.7.8, version 15.8 prior to 15.8.4, and version 15.9 prior to 15.9.2 A cross-site scripting vulnerability was found in the title field of work items that allowed attackers to perform arbitrary actions on behalf of victims at client side.

A vulnerability was discovered in GitLab starting with version 12. GitLab was vulnerable to a blind SSRF attack since requests to shared address space were not blocked.

A denial of service vulnerability when rendering RDoc files in GitLab CE/EE versions 10 to 14.7.7, 14.8.0 to 14.8.5, and 14.9.0 to 14.9.2 allows an attacker to crash the GitLab web application with a maliciously crafted RDoc file

The project import/export feature in GitLab 8.9 and greater could be used to obtain otherwise private email addresses

An issue has been discovered in GitLab affecting all versions starting from 12.10 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly handling malicious requests to the PyPi API endpoint allowing the attacker to cause uncontrolled resource consumption.

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 Insecure Permissions issue (issue 1 of 3) was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. The "move issue" feature may allow a user to create projects under any namespace on any GitLab instance on which they hold credentials.

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

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 EE 12.8 and later allows Exposure of Sensitive Information to an Unauthorized Actor via NuGet.