An issue was discovered in GitLab Community and Enterprise Edition 11.3 through 12.4 when moving an issue to a public project from a private one. It has Insecure Permissions.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.6 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that under certain circumstances could have allowed an authenticated user with auditor privileges to modify vulnerability flag data in private projects due to incorrect authorization.

Server side request forgery protections in GitLab CE/EE versions between 8.4 and 14.4.x, between 14.5.0 and 14.5.x, and between 14.6.0 and 14.6.x would fail to protect against attacks sending requests to localhost on port 80 or 443 if GitLab was configured to run on a port other than 80 or 443

An issue has been discovered affecting GitLab versions prior to 14.4.5, between 14.5.0 and 14.5.3, and between 14.6.0 and 14.6.1. Gitlab's Slack integration is incorrectly validating user input and allows to craft malicious URLs that are sent to slack.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab Maven Package registry is vulnerable to a regular expression denial of service when a specifically crafted string is sent.

An issue was discovered in GitLab Community and Enterprise Edition through 12.4. It has Insecure Permissions (issue 2 of 4).

An issue has been discovered in GitLab affecting all versions starting from 12.0 before 14.4.5, all versions starting from 14.5.0 before 14.5.3, all versions starting from 14.6.0 before 14.6.2. GitLab was not verifying that a maintainer of a project had the right access to import members from a target project.

An issue was discovered in GitLab Community and Enterprise Edition 10.6 through 11.11. Users could guess the URL slug of private projects through the contrast of the destination URLs of issues linked in comments. It allows Information Disclosure.

Lack of sand-boxing of OpenAPI documents in GitLab CE/EE affecting all versions from 12.6 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to trick a user to click on the Swagger OpenAPI viewer and issue HTTP requests that affect the victim's account.

A Reflected Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code on the Static Site Editor in GitLab CE/EE 12.10 and later through 13.0.1

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.6 where an infinite loop exist when an authenticated user with specific rights access a MR having source and target branch pointing to each other

An issue was discovered in GitLab Community and Enterprise Edition before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is an SSRF vulnerability in the Prometheus integration.

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.8 prior to 16.11.6, starting from 17.0 prior to 17.0.4, and starting from 17.1 prior to 17.1.2, which allows an attacker to trigger a pipeline as another user under certain circumstances.

An issue was discovered in GitLab Community and Enterprise Edition 11.3 to 12.3 in the protected environments feature. It has Insecure Permissions (issue 3 of 4).

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

An issue was discovered in GitLab EE affecting all versions starting from 16.0 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 an attacker to access issues and epics without having an SSO session using Duo Chat.

GitLab has remediated an issue in GitLab EE affecting all versions from 13.11 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user with developer-role permissions to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.

Gitlab Community Edition version 10.2.4 is vulnerable to a lack of input validation in the GitlabProjectsImportService resulting in remote code execution.

An issue has been discovered in GitLab affecting all versions before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. The main branch of a repository with a specially designed name allows an attacker to create repositories with malicious code.

Improper authorization in GitLab CE/EE affecting all versions since 12.6 allowed guest users to create issues for Sentry errors and track their status