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 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 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.

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

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 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.

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 to gain access to a private project through an email invite by using other user's email address as an unverified secondary email.

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 group members to bypass 2FA enforcement enabled at the group level by using Resource Owner Password Credentials grant to obtain an access token without using 2FA.

A Regular Expression Denial of Service vulnerability in GitLab CE/EE affecting all versions from 1.0.2 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows an attacker to make a GitLab instance inaccessible via specially crafted web server response headers

An issue has been discovered in GitLab CE/EE affecting all versions from 8.13 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1. Under certain conditions, using the REST API an unprivileged user was able to change labels description.

Improper access control in the runner jobs API in GitLab CE/EE affecting all versions prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows a previous maintainer of a project with a specific runner to access job and project meta data under certain conditions

Improper access control in the CI/CD cache mechanism in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 allows a malicious actor with Developer privileges to perform cache poisoning leading to arbitrary code execution in protected branches

Missing sanitization of data in Pipeline error messages in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 allows for rendering of attacker controlled HTML tags and CSS styling

Missing input masking in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 causes potentially sensitive integration properties to be disclosed in the web interface

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.

An issue has been discovered in GitLab affecting all versions 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 incorrectly verifying throttling limits for authenticated package requests which resulted in limits not being enforced.

Improper input validation in GitLab CE/EE affecting all versions from 8.12 prior to 14.8.6, all versions from 14.9.0 prior to 14.9.4, and 14.10.0 allows a Developer to read protected Group or Project CI/CD variables by importing a malicious project