In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the end of impersonation which may lead to unnecessary sensitive info disclosure.

Information disclosure from SendEntry in GitLab starting with 10.8 allowed exposure of full URL of artifacts stored in object-storage with a temporary availability via Rails logs.

In all versions of GitLab CE/EE since version 11.10, an admin of a group can see the SCIM token of that group by visiting a specific endpoint.

Improper access control in GitLab CE/EE affecting all versions starting from 10.7 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker in possession of a deploy token to access a project's disabled wiki.

In all versions of GitLab EE since version 14.1, due to an insecure direct object reference vulnerability, an endpoint may reveal the protected branch name to a malicious user who makes a crafted API call with the ID of the protected branch.

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic references.

GitLab EE/CE 10.8 to 12.9 is leaking metadata and comments on vulnerabilities to unauthorized users on the vulnerability feedback page.

GitLab Enterprise Edition (EE) before 8.17.7, 9.0.11, 9.1.8, 9.2.8, and 9.3.8 allows an authenticated user with the ability to create a project to use the mirroring feature to potentially read repositories belonging to other users.

An issue has been discovered in GitLab affecting all versions starting from 13.2 before 16.4.3, all versions starting from 16.5 before 16.5.3, all versions starting from 16.6 before 16.6.1. It was possible for users to access composer packages on public projects that have package registry disabled in the project settings.

An issue has been discovered in GitLab EE affecting all versions affecting all versions from 11.11 prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1. Single Sign On restrictions were not correctly enforced for indirect project members accessing public members-only project repositories.

Improper authorization in GitLab EE affecting all versions from 17.7 prior to 17.7.6, 17.8 prior to 17.8.4, 17.9 prior to 17.9.1 allow users with limited permissions to access to potentially sensitive project analytics data.

An issue has been discovered in GitLab EE/CE affecting all versions starting from 16.9 before 17.7.7, all versions starting from 17.8 before 17.8.5, all versions starting from 17.9 before 17.9.2 could allow unauthorized users to access confidential information intended for internal use only.

An issue was discovered in GitLab CE and EE 8.15 through 12.9.2. Members of a group could still have access after the group is deleted.

Multiple versions of GitLab expose sensitive user credentials when assigning a user to an issue or merge request. A fix was included in versions 8.15.8, 8.16.7, and 8.17.4, which were released on March 20th 2017 at 23:59 UTC.

Gitlab Enterprise Edition version 10.1.0 is vulnerable to an insufficiently protected credential issue in the project service integration API endpoint resulting in an information disclosure of plaintext password.

GitLab Community and Enterprise Editions before 10.1.6, 10.2.6, and 10.3.4 are vulnerable to an authorization bypass issue in the Projects::MergeRequests::CreationsController component resulting in an attacker to see every project name and their respective namespace on a GitLab instance.

An issue has been discovered in GitLab EE affecting all versions starting from 15.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. It was possible to disclose issue notes to an unauthorized user at project export.

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 has been discovered in GitLab affecting all versions starting from 12.9 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. It was possible to leak a user's email via an error message for groups that restrict membership by email domain.

GitLab Enterprise Edition (EE) 12.3 and later through 12.5 has Incorrect Access Control.

GitLab Enterprise Edition (EE) 9.0 and later through 12.5 allows Information Disclosure.

Gitlab Enterprise Edition (EE) before 12.5.1 has Insecure Permissions (issue 1 of 2).

GitLab EE/CE 11.1 through 12.9 is vulnerable to parameter tampering on an upload feature that allows an unauthorized user to read content available under specific folders.

An issue has been discovered in GitLab DAST scanner affecting all versions starting from 3.0.29 before 4.0.5, in which the DAST scanner leak cross site cookies on redirect during authorization.

GitLab before 12.8.2 has Incorrect Access Control. It was internally discovered that the LFS import process could potentially be used to incorrectly access LFS objects not owned by the user.

GitLab versions 8.9.x and above contain a critical security flaw in the "import/export project" feature of GitLab. Added in GitLab 8.9, this feature allows a user to export and then re-import their projects as tape archive files (tar). All GitLab versions prior to 8.13.0 restricted this feature to administrators only. Starting with version 8.13.0 this feature was made available to all users. This feature did not properly check for symbolic links in user-provided archives and therefore it was possible for an authenticated user to retrieve the contents of any file accessible to the GitLab service account. This included sensitive files such as those that contain secret tokens used by the GitLab service to authenticate users. GitLab CE and EE versions 8.13.0 through 8.13.2, 8.12.0 through 8.12.7, 8.11.0 through 8.11.10, 8.10.0 through 8.10.12, and 8.9.0 through 8.9.11 are affected.

An issue has been discovered in GitLab DAST API scanner affecting all versions starting from 1.6.50 before 2.11.0, where Authorization headers was leaked in vulnerability report evidence.

An issue was discovered in GitLab Community and Enterprise Edition before 11.0.6, 11.1.x before 11.1.5, and 11.2.x before 11.2.2. There is Orphaned Upload Files Exposure.

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.7.7 and 11.8.x before 11.8.3. It allows Information Disclosure.

The (1) create_branch, (2) create_tag, (3) import_project, and (4) fork_project functions in lib/gitlab_projects.rb in GitLab 5.0 before 5.4.2, Community Edition before 6.2.4, Enterprise Edition before 6.2.1 and gitlab-shell before 1.7.8 allows remote authenticated users to include information from local files into the metadata of a Git repository via the web interface.

An issue was discovered in GitLab Community and Enterprise Edition 9.x, 10.x, and 11.x before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It has Incorrect Access Control. A user retains their role within a project in a private group after being removed from the group, if their privileges within the project are different from the group.

GitLab 11.8 and later contains a security vulnerability that allows a user to obtain details of restricted pipelines via the merge request endpoint.

An issue was discovered in GitLab Community and Enterprise Edition 10.x (starting in 10.7) and 11.x before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It has Incorrect Access Control. System notes contain an access control issue that permits a guest user to view merge request titles.

An issue was discovered in GitLab Enterprise Edition 10.x (starting in 10.6) and 11.x before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. It has Incorrect Access Control. The merge request approvers section has an access control issue that permits project maintainers to view membership of private groups.

An IDOR was discovered in GitLab CE/EE 11.5 and later that allowed new merge requests endpoint to disclose label names.

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 has Incorrect Access Control (issue 3 of 3). When a project with visibility more permissive than the target group is imported, it will retain its prior visibility.

An information disclosure issue was discovered in GitLab CE/EE 8.14 and later, by using the move issue feature which could result in disclosure of the newly created issue ID.

An Incorrect Access Control (issue 2 of 3) issue was discovered in GitLab Community and Enterprise Edition 8.14 and later but before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. Guest users were able to view the list of a group's merge requests.

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 has Incorrect Access Control (issue 1 of 3). The contents of an LFS object can be accessed by an unauthorized user, if the file size and OID are known.

An Incorrect Access Control 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. The GitLab API allowed project Maintainers and Owners to view the trigger tokens of other project users.

An information exposure vulnerability exists in gitlab.com <v12.3.2, <v12.2.6, and <v12.1.10 when using the blocking merge request feature, it was possible for an unauthenticated user to see the head pipeline data of a public project even though pipeline visibility was restricted.

An issue was discovered in GitLab Community and Enterprise Edition 7.12 through 12.2.1. The specified default branch name could be exposed to unauthorized users.

An information disclosure vulnerability exists in GitLab CE/EE <v12.3.2, <v12.2.6, and <v12.1.12 that allowed project milestones to be disclosed via groups browsing.

An improper authorization issue has been discovered in GitLab CE/EE affecting all versions starting from 11.8 before 16.2.8, all versions starting from 16.3 before 16.3.5 and all versions starting from 16.4 before 16.4.1. It allows a project reporter to leak the owner's Sentry instance projects.

An improper access control vulnerability exists in GitLab <12.3.3 that allows an attacker to obtain container and dependency scanning reports through the merge request widget even though public pipelines were disabled.

GitLab Enterprise Edition (EE) 11.9 and later through 12.5 has Insecure Permissions.

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

An issue was discovered in GitLab Community and Enterprise Edition 11.3 through 12.3 when a sub group epic is added to a public group. It has Incorrect Access Control.

An issue was discovered in GitLab Community and Enterprise Edition before 12.4. It has Insecure Permissions.

An issue was discovered in GitLab Community and Enterprise Edition before 12.4. It has Incorrect Access Control.