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.

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1 While cloning an issue with special crafted content added to the description could have been used to trigger high CPU usage.

An unhandled exception in job log parsing 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 prevent access to job logs

An issue has been discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. It may be possible for an attacker to guess a user's password by brute force by sending crafted requests to a specific endpoint, even if the victim user has 2FA enabled on their account.

An improper access control issue in GitLab CE/EE affecting all versions starting before 15.1.6, all versions from 15.2 before 15.2.4, all versions from 15.3 before 15.3.2 allows disclosure of pipeline status to unauthorized users.

A vulnerability in GitLab CE/EE affecting all versions from 11.10 prior to 15.1.6, 15.2 to 15.2.4, 15.3 to 15.3.2 allows an authenticated user to achieve remote code execution via the Import from GitHub API endpoint.

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. Malformed content added to the issue description could have been used to trigger high CPU usage.

A potential DoS vulnerability was discovered in Gitlab CE/EE versions starting from 10.7 before 15.1.5, all versions starting from 15.2 before 15.2.3, all versions starting from 15.3 before 15.3.1 allowed an attacker to trigger high CPU usage via a special crafted input added in the Commit message field.

A vulnerability in GitLab CE/EE affecting all versions from 11.3.4 prior to 15.1.5, 15.2 to 15.2.3, 15.3 to 15.3 to 15.3.1 allows an an authenticated user to achieve remote code execution via the Import from GitHub API endpoint

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions before 15.1.6, 15.2 to 15.2.4 and 15.3 prior to 15.3.2. It was possible to exploit a vulnerability in setting the labels colour feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.

A lack of length validation in Snippet descriptions in GitLab CE/EE affecting all versions prior to 15.1.6, 15.2 prior to 15.2.4 and 15.3 prior to 15.3.2 allows an authenticated attacker to create a maliciously large Snippet which when requested with or without authentication places excessive load on the server, potential leading to Denial of Service.

An issue has been discovered in GitLab affecting all versions starting from 12.10 before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. GitLab was not performing correct authentication with some Package Registries when IP address restrictions were configured, allowing an attacker already in possession of a valid Deploy Token to misuse it from any location.

A business logic issue in the handling of large repositories in all versions of GitLab CE/EE from 10.0 before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2 allowed an authenticated and authorized user to exhaust server resources by importing a malicious project.

A crafted tag in the Jupyter Notebook viewer in GitLab EE/CE affecting all versions before 15.1.6, 15.2 to 15.2.4, and 15.3 to 15.3.2 allows an attacker to issue arbitrary HTTP requests

An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1. GitLab was returning contributor emails due to improper data handling in the Datadog integration.

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions before 15.0.5, 15.1 prior to 15.1.4, and 15.2 prior to 15.2.1. A stored XSS flaw in job error messages allows attackers to perform arbitrary actions on behalf of victims at client side.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.6 before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1. A malicious developer could exfiltrate an integration's access token by modifying the integration URL such that authenticated requests are sent to an attacker controlled server.

An issue has been discovered in GitLab EE affecting all versions before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1. It may be possible for email invited members to join a project even after the Group Owner has enabled the setting to prevent members from being added to projects in a group, if the invite was sent before the setting was enabled.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.0.5, all versions starting from 15.1 before 15.1.4, all versions starting from 15.2 before 15.2.1. It may be possible for malicious group or project maintainers to change their corresponding group or project visibility by crafting a malicious POST request.

Insufficient validation in GitLab CE/EE affecting all versions from 12.10 prior to 15.0.5, 15.1 prior to 15.1.4, and 15.2 prior to 15.2.1 allows an authenticated and authorised user to import a project that includes branch names which are 40 hexadecimal characters, which could be abused in supply chain attacks where a victim pinned to a specific Git commit of the project.