An issue has been discovered in GitLab CE/EE affecting all versions from 17.3 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users to gain elevated project privileges by requesting access to projects where role modifications during the approval process resulted in unintended permission grants.

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. An attacker may be able to reveal masked or hidden CI variables (that they did not author) in the WebUI, by simply creating their own variable and observing the HTTP response.

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.

An issue has been discovered in GitLab EE affecting all versions from 12.0 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Under certain conditions users could bypass IP access restrictions and view sensitive information.

An issue has been discovered in GitLab EE affecting all versions from 16.10 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users to assign unrelated compliance frameworks to projects by sending crafted GraphQL mutations that bypassed framework-specific permission checks.

An issue has been discovered in GitLab EE affecting all versions from 18.0 before 18.0.4 and 18.1 before 18.1.2 that could have allowed authenticated maintainers to bypass group-level user invitation restrictions by sending crafted API requests.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.11 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that, under certain conditions, could have allowed a successful attacker to execute actions on behalf of users by injecting malicious content.

An issue has been discovered in GitLab EE affecting all versions from 18.0 before 18.0.4 and 18.1 before 18.1.2 that could have allowed authenticated users with invitation privileges to bypass group-level user invitation restrictions by manipulating group invitation functionality.

An issue has been discovered in GitLab EE affecting all versions from 18.0 prior to 18.0.6, 18.1 prior to 18.1.4, and 18.2 prior to 18.2.2 that could have allowed authenticated users with specific access to bypass merge request approval policies by manipulating approval rule identifiers.

An issue has been discovered in GitLab CE/EE affecting all versions from 15.7 before 18.0.6, 18.1 before 18.1.4, and 18.2 before 18.2.2 that could have allowed authenticated users with developer access to obtain ID tokens for protected branches under certain circumstances.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 18.0 before 18.0.2. Under certain conditions html injection in new search page could lead to account takeover.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.2 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated users with Guest role permissions to add child items to incident work items by sending crafted API requests that bypassed UI-enforced role restrictions.

An issue has been discovered in GitLab CE/EE affecting all versions from 10.7 before 17.11.5, 18.0 before 18.0.3, and 18.1 before 18.1.1 that could have allowed authenticated attackers to create a DoS condition by sending crafted GraphQL requests.

An issue has been discovered in GitLab CE/EE affecting all versions from 10.2 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. A lack of input validation in the Kubernetes integration could allow an authenticated user to cause denial of service. This is a medium severity issue (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, 6.5). It is now mitigated in the latest release and is assigned CVE-2025-3111.

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. A lack of proper validation in GitLab could allow an authenticated user to cause a denial of service condition.

An issue has been discovered in GitLab EE affecting all versions from 13.3 before 17.11.6, 18.0 before 18.0.4, and 18.1 before 18.1.2 that could have allowed authenticated project owners to bypass group-level forking restrictions by manipulating API requests.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.9 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper output encoding in the snipper viewer functionality lead to Cross-Site scripting attacks.

An issue has been discovered in GitLab CE/EE affecting all versions from 18.0 before 18.0.1. In certain circumstances, a user with limited permissions could access Job Data via a crafted GraphQL query.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user with certain permissions to make unauthorized requests to internal network services through the GitLab server.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery against internal services by bypassing protections in the Git repository import functionality.

An issue has been discovered in GitLab CE/EE affecting all versions from 16.8 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. Group access controls could allow certain users to bypass two-factor authentication requirements.

A business logic error in GitLab CE/EE affecting all versions starting from 12.1 prior to 17.10.7, 17.11 prior to 17.11.3 and 18.0 prior to 18.0.1 where an attacker can cause a branch name confusion in confidential MRs.

An issue has been discovered in GitLab EE affecting all versions prior to 17.10.8, 17.11 prior to 17.11.4, and 18.0 prior to 18.0.2. It may have been possible for private repository to be cloned in case of race condition when a secondary node is out of sync.

An issue has been discovered in GitLab CE/EE affecting all versions before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. This could allow an authenticated attacker to cause a denial of service condition by exhausting server resources.

An issue has been discovered in GitLab CE/EE affecting all versions from 17.1 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. Under certain conditions un-authorised users can view full email addresses that should be partially obscured.

An issue has been discovered in GitLab CE/EE affecting all versions from 11.6 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. A Discord webhook integration may cause DoS.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 19.0.5, 19.1 before 19.1.3, and 19.2 before 19.2.1 that under certain conditions could have allowed an authenticated user to modify CI/CD configuration belonging to another user due to improper validation of user-supplied attributes when processing pipeline schedule inputs.

GitLab has remediated an issue in GitLab EE affecting all versions from 18.0.0 before 18.8.9, 18.9 before 18.9.5, and 18.10 before 18.10.3 that in Code Quality reports could have allowed an authenticated user to leak IP addresses of users viewing the report via specially crafted content.

An issue has been discovered in GitLab CE/EE affecting all versions from 8.13 before 17.10.7, 17.11 before 17.11.3, and 18.0 before 18.0.1. A lack of input validation in Board Names could be used to trigger a denial of service.

An issue has been discovered in GitLab CE/EE affecting all versions from 8.7 before 17.10.8, 17.11 before 17.11.4, and 18.0 before 18.0.2. Improper input validation in Tokens Names could be used to trigger a denial of service.