An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Under certain circumstances, CI pipelines could potentially be used in a denial of service attack.

Gitlab Community and Enterprise Editions version 10.1, 10.2, and 10.2.4 are vulnerable to a SQL injection in the MilestoneFinder component resulting in disclosure of all data in a GitLab instance's database.

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.

An issue was discovered in GitLab CE/EE affecting all versions starting from 17.4 prior to 17.5.1, starting from 17.6 prior to 17.6.1, and starting from 17.7 prior to 17.7.1. Under certain conditions, access tokens may have been logged when API requests were made in a specific manner.

GitLab EE 12.2 has Insecure Permissions (issue 2 of 2).

GitLab EE/CE 8.17 to 12.9 is vulnerable to information leakage when querying a merge request widget.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.1 prior to 17.4.6, starting from 17.5 prior to 17.5.4, and starting from 17.6 prior to 17.6.2, injection of NEL headers in k8s proxy response could lead to session data exfiltration.

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions from 13.1 prior to 14.7.7, 14.8.0 prior to 14.8.5, and 14.9.0 prior to 14.9.2. The api to update an asset as a link from a release had a regex check which caused exponential number of backtracks for certain user supplied values resulting in high CPU usage.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 8.3 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have allowed an authenticated user to cause denial of service through excessive memory consumption due to improper input validation.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.6.5, all versions starting from 14.7 before 14.7.4, all versions starting from 14.8 before 14.8.2. An unauthorised user was able to steal runner registration tokens through an information disclosure vulnerability using quick actions commands.

An insecure permissions issue was discovered in GitLab Community and Enterprise Edition 9.4 and later but before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. The runner registration token in the CI/CD settings could not be reset. This was a security risk if one of the maintainers leaves the group and they know the token.

An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.

A potential DOS vulnerability was discovered in GitLab CE/EE affecting all versions from 10.8 before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. Improper data handling on branch creation could have been used to trigger high CPU usage.

An issue has been discovered in GitLab affecting versions >=10.7 <13.0.14, >=13.1.0 <13.1.8, >=13.2.0 <13.2.6. Improper Access Control for Deploy Tokens

A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Project reporters and above could see confidential EPIC attached to confidential issues

GitLab has remediated a security issue in GitLab CE/EE affecting all versions from 17.1 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that could have allowed an authenticated user to perform unauthorized actions on behalf of other users by injecting malicious HTML into vulnerability code flow displays.

GitLab 9.3 through 12.8.1 allows XSS. A cross-site scripting vulnerability was found when viewing particular file types.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, which allows merge request title to be visible publicly despite being set as project members only.

An attacker could cause a Prometheus denial of service in GitLab 13.7+ by sending an HTTP request with a malformed method

Improper authorization in GitLab CE/EE affecting all versions since 13.0 allows guests in private projects to view CI/CD analytics