An issue discovered in GitLab CE/EE affecting all versions from 16.11 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 meant that long-lived connections in ActionCable potentially allowed revoked Personal Access Tokens access to streaming results.

An issue was discovered in GitLab CE/EE affecting all versions starting from 17.1 prior to 17.6.0, which allows an attacker with maintainer role to trigger a pipeline as project owner under certain circumstances.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.4 prior to 17.5.0 which allows an attacker to trigger a pipeline as another user under certain circumstances.

Improper Authorization in GitLab CE/EE affecting all versions from 17.7 prior to 17.7.4, 17.8 prior to 17.8.2 allow users with limited permissions to perform unauthorized actions on critical project data.

An external service interaction vulnerability in GitLab EE affecting all versions from 15.11 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to send requests from the GitLab server to unintended services.

An information disclosure vulnerability in GitLab CE/EE affecting all versions from 8.3 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to send a crafted request to a backend server to reveal sensitive information.

An insecure direct object reference vulnerability in GitLab EE affecting all versions from 15.7 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to view repositories in an unauthorized way.

An XSS vulnerability exists in GitLab CE/EE affecting all versions from 13.3 prior to 17.6.5, 17.7 prior to 17.7.4 and 17.8 prior to 17.8.2 that allows an attacker to execute unauthorized actions via a change page.

A denial of service vulnerability in GitLab CE/EE affecting all versions from 14.1 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to impact the availability of GitLab via unbounded symbol creation via the scopes parameter in a Personal Access Token.

An issue has been discovered in the gitlab-web-ide-vscode-fork component distributed over CDN affecting all versions prior to 1.89.1-1.0.0-dev-20241118094343and used by all versions of GitLab CE/EE starting from 15.11 prior to 17.3 and which also temporarily affected versions 17.4, 17.5 and 17.6, where a XSS attack was possible when loading .ipynb files in the web IDE