An issue was discovered in GitLab Community and Enterprise Edition before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It has Incorrect Access Control.

A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions from 7.10 prior before 16.11.5, version 17.0 before 17.0.3, and 17.1 before 17.1.1. It is possible for an attacker to cause a denial of service using a crafted markdown page.

An issue was discovered in GitLab Community and Enterprise Edition before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It allows for Information Exposure via unsubscribe links in email replies.

GitLab CE/EE, versions 10.1 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an insecure direct object reference issue that allows a user to make comments on a locked issue.

An issue has been discovered in GitLab affecting all versions starting from 10.0 before 12.9.8, all versions starting from 12.10 before 12.10.7, all versions starting from 13.0 before 13.0.1. A user with the role of developer could use the import project feature to leak CI/CD variables.

An issue was discovered in GitLab Community and Enterprise Edition before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It has Incorrect Access Control (issue 2 of 5).

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.4.6, 18.5 before 18.5.4, and 18.6 before 18.6.2 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by creating wiki pages with malicious content.

All versions of GitLab CE/EE starting with 12.8 were affected by an issue in the handling of x509 certificates that could be used to spoof author of signed commits.

An uncontrolled resource consumption issue when parsing URLs in GitLab CE/EE affecting all versions prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to cause performance issues and potentially a denial of service on the GitLab instance.

GitLab 8.11 through 12.8.1 allows a Denial of Service when using several features to recursively request eachother,

An issue was discovered in GitLab Community and Enterprise Edition before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It allows Information Exposure.

An issue was discovered in GitLab Community and Enterprise Edition 11.10 through 12.0.2. When specific encoded characters were added to comments, the comments section would become inaccessible. It has Incorrect Access Control (issue 1 of 2).

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed a user to leak certain information by referencing specially crafted images that bypass asset proxy protection.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 prior to 16.9.7, starting from 16.10 prior to 16.10.5, and starting from 16.11 prior to 16.11.2. The pins endpoint is susceptible to DoS through a crafted request.

An issue was discovered in GitLab Community and Enterprise Edition 6.8 through 11.11. Users could bypass the mandatory external authentication provider sign-in restrictions by sending a specially crafted request. It has Improper Authorization.

An issue was discovered in GitLab Community and Enterprise Edition 10.7.4 through 12.4 in the InternalRedirect filtering feature. It has an Open Redirect.

When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab CE/EE affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is limited

An issue was discovered in GitLab Community and Enterprise Edition before 11.7.8, 11.8.x before 11.8.4, and 11.9.x before 11.9.2. Making concurrent GET /api/v4/projects/<id>/languages requests may allow Uncontrolled Resource Consumption.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.9.6, and 17.10 before 17.10.4. The runtime profiling data of a specific service was accessible to unauthenticated users.

For GitLab before 13.0.12, 13.1.6, 13.2.3 a denial of service exists in the project import feature