GitLab EE 11.3 through 13.1.2 has Incorrect Access Control because of the Maven package upload endpoint.

An issue has been discovered in GitLab affecting all versions starting from 13.0 before 14.0.9, all versions starting from 14.1 before 14.1.4, all versions starting from 14.2 before 14.2.2. A user account with 'external' status which is granted 'Maintainer' role on any project on the GitLab instance where 'project tokens' are allowed may elevate its privilege to 'Internal' and access Internal projects.

A Denial of Service (DoS) issue has been discovered in GitLab CE/EE affecting all up to 17.8.7, 17.9 prior to 17.9.6 and 17.10 prior to 17.10.4 A denial of service could occur upon injecting oversized payloads into CI pipeline exports.

GitLab EE 3.0 through 12.8.1 allows SSRF. An internal investigation revealed that a particular deprecated service was creating a server side request forgery risk.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A DollarMathPostFilter Regular Expression Denial of Service in was possible by sending crafted payloads to the preview_markdown endpoint.

An issue was discovered in GitLab Community and Enterprise Edition before 11.7.10, 11.8.x before 11.8.6, and 11.9.x before 11.9.4. A regex input validation issue for the .gitlab-ci.yml refs value allows Uncontrolled Resource Consumption.

An information disclosure vulnerability in GitLab CE/EE in project/group exports affecting all versions from 15.4 prior to 17.0.5, 17.1 prior to 17.1.3, and 17.2 prior to 17.2.1 allows unauthorized users to view the resultant export.

An issue has been discovered in GitLab CE/EE affecting all versions before 16.4.4, all versions starting from 15.5 before 16.5.4, all versions starting from 16.6 before 16.6.2. File integrity may be compromised when source code or installation packages are pulled from a specific tag.

An issue has been discovered in GitLab affecting all versions starting from 10.6 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible that upstream members to collaborate with you on your branch get permission to write to the merge request’s source branch.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.4 and 18.0 before 18.0.2. A missing authorization check may have allowed compliance frameworks to be applied to projects outside the compliance framework's group.

Cross-site scripting (XSS) vulnerability in GitLab 6.0 and other versions before 6.5.0 allows remote attackers to inject arbitrary web script or HTML via a crafted HTML file, as demonstrated by README.html.

GitLab EE, versions 11.4 before 11.4.8 and 11.5 before 11.5.1, is affected by an insecure direct object reference vulnerability that permits an unauthorized user to publish the draft merge request comments of another user.

An issue was identified in GitLab CE/EE affecting all versions from 1.0 prior to 15.8.5, 15.9 prior to 15.9.4, and 15.10 prior to 15.10.1 where non-printable characters gets copied from clipboard, allowing unexpected commands to be executed on victim machine.

An issue was discovered in GitLab CE/EE affecting all versions starting from 8.14 prior to 17.1.7, starting from 17.2 prior to 17.2.5, and starting from 17.3 prior to 17.3.2, which allows an attacker to trigger a pipeline as an arbitrary user under certain circumstances.

In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.

An issue was discovered in GitLab Community and Enterprise Edition 11 through 12.4 when building Nested GraphQL queries. It has a large or infinite loop.

An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Embedded images and media files in markdown could be pointed to an arbitrary server, which would reveal the IP address of clients requesting the file from that server.

A cross-site scripting issue has been discovered in GitLab CE/EE affecting all versions starting from 15.2 before 15.2.5, all versions starting from 15.3 before 15.3.4, all versions starting from 15.4 before 15.4.1 It was possible to exploit a vulnerability in the external status checks feature which could lead to a stored XSS that allowed attackers to perform arbitrary actions on behalf of victims at client side.

An issue was discovered in GitLab Community and Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It allows Information Disclosure (issue 3 of 6). For installations using GitHub or Bitbucket OAuth integrations, it is possible to use a covert redirect to obtain the user OAuth token for those services.

GitLab Enterprise Edition (EE) 8.90 and later through 12.5 has Incorrect Access Control.