An Incorrect Access Control issue was discovered in GitLab Community and Enterprise Edition 6.0 and later but before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. The issue comments feature could allow a user to comment on an issue which they shouldn't be allowed to.

GitLab 12.7 through 12.8.1 has Insecure Permissions. Under certain conditions involving groups, project authorization changes were not being applied.

An issue was discovered in GitLab Community and Enterprise Edition through 12.2.1. Certain account actions needed improved authentication and session management.

An issue was discovered in GitLab Community and Enterprise Edition before 11.x before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It allows SSRF.

A vulnerability was discovered in GitLab starting with version 12. GitLab was vulnerable to a blind SSRF attack since requests to shared address space were not blocked.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.3. Under certain conditions it was possible to bypass the IP restriction for public projects through GraphQL allowing unauthorised users to read titles of issues, merge requests and milestones.

An issue has been discovered in GitLab affecting all versions starting from 12.9.0 before 13.10.5, all versions starting from 13.11.0 before 13.11.5, all versions starting from 13.12.0 before 13.12.2. Insufficient expired password validation in various operations allow user to maintain limited access after their password expired

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

An issue was discovered in GitLab Community and Enterprise Edition 10.x and 11.x before 11.6.10, 11.7.x before 11.7.6, and 11.8.x before 11.8.1. It has Insecure Permissions.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.8.9. A specially crafted request could bypass Multipart protection and read files in certain specific paths on the server. Affected versions are: >=8.8.9, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.9 before 17.0.6, all versions starting from 17.1 before 17.1.4, all versions starting from 17.2 before 17.2.2. Under certain conditions, access tokens may have been logged when an API request was made in a specific manner.

An information disclosure vulnerability in GitLab CE/EE in project/group exports affecting all versions from 15.4 prior to 17.0.5, 17.1 prior to 17.1.3, and 17.2 prior to 17.2.1 allows unauthorized users to view the resultant export.

An issue was discovered in GitLab CE/EE affecting all versions starting from 15.6 prior to 17.0.5, starting from 17.1 prior to 17.1.3, and starting from 17.2 prior to 17.2.1 where it was possible to disclose limited information of an exported group or project to another user.

An information disclosure issue was discovered GitLab versions < 12.1.2, < 12.0.4, and < 11.11.6 in the security dashboard which could result in disclosure of vulnerability feedback information.

An authorization issue was discovered in the GitLab CE/EE CI badge images endpoint which could result in disclosure of the build status. This vulnerability was addressed in 12.1.2, 12.0.4, and 11.11.6.

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.

GitLab Community Edition (CE) and Enterprise Edition (EE). 9.6 and later through 12.5 has Incorrect Access Control.

GitLab Enterprise Edition (EE) 12.2 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 8.15 through 12.4 in the Comments Search feature provided by the Elasticsearch integration. It has Incorrect Access Control.

An information disclosure exists in < 12.3.2, < 12.2.6, and < 12.1.12 for GitLab Community Edition (CE) and Enterprise Edition (EE). The path of a private project, that used to be public, would be disclosed in the unsubscribe email link of issues and merge requests.

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 issue was discovered in GitLab Community and Enterprise Edition 12.0 through 12.2.1. Under certain conditions, merge request IDs were being disclosed via email.

An issue was discovered in GitLab Community and Enterprise Edition 8.6 through 12.2.1. Under very specific conditions, commit titles and team member comments could become viewable to users who did not have permission to access these.

An issue was discovered in GitLab Community and Enterprise Edition 7.9 through 12.2.1. EXIF Geolocation data was not being removed from certain image uploads.

An issue was discovered in GitLab Community and Enterprise Edition 11.2 through 12.2.1. Insufficient permission checks were being applied when displaying CI results, potentially exposing some CI metrics data to unauthorized users.

An information disclosure vulnerability exists in GitLab CE/EE <v12.3.2, <v12.2.6, and <v12.1.12 that allowed an attacker to view private system notes from a GraphQL endpoint.

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.

GitLab 12.2.2 and below contains a security vulnerability that allows a guest user in a private project to see the merge request ID associated to an issue via the activity timeline.

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 11.8.x before 11.8.10, 11.9.x before 11.9.11, and 11.10.x before 11.10.3. It allows Information Disclosure. A small number of GitLab API endpoints would disclose project information when using a read_user scoped token.

An issue was discovered in GitLab Community Edition 11.9.x before 11.9.10 and 11.10.x before 11.10.2. It allows Information Disclosure. When an issue is moved to a private project, the private project namespace is leaked to unauthorized users with access to the original issue.

An Information Exposure issue (issue 1 of 2) 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. EXIF geolocation data were not removed from images when uploaded to GitLab. As a result, anyone with access to the uploaded image could obtain its geolocation, device, and software version data (if present).

An issue was discovered in GitLab Community and Enterprise Edition 8.13 through 11.11. Non-member users who subscribed to issue notifications could access the title of confidential issues through the unsubscription page. It allows Information Disclosure.

An issue was discovered in GitLab Community and Enterprise Edition 11.3.x and 11.4.x before 11.4.13, 11.5.x before 11.5.6, and 11.6.x before 11.6.1. It allows Information Exposure.

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 has Information Exposure Through Browser Caching.

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.

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.2.7, 11.3.x before 11.3.8, and 11.4.x before 11.4.3. It allows Information Exposure via a Gitlab Prometheus integration.

An issue was discovered in GitLab Community and Enterprise Edition 11.1.x before 11.1.8, 11.2.x before 11.2.5, and 11.3.x before 11.3.2. There is Information Exposure via the merge request JSON endpoint.

An issue was discovered in GitLab Community Edition 11.x before 11.1.8, 11.2.x before 11.2.5, and 11.3.x before 11.3.2. There is Information Exposure via Epic change descriptions.

An issue was discovered in GitLab Community Edition 11.x before 11.1.8, 11.2.x before 11.2.5, and 11.3.x before 11.3.2. There is Information Exposure via the GFM markdown API.

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 before 10.8.7, 11.0.x before 11.0.5, and 11.1.x before 11.1.2. Information Disclosure can occur because the Prometheus metrics feature discloses private project pathnames.

An information disclosure vulnerability in GitLab CE/EE versions 12.0 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed non-project members to see the default branch name for projects that restrict access to the repository to project members

In all versions of GitLab CE/EE since version 10.6, a project export leaks the external webhook token value which may allow access to the project which it was exported from.

Improper authorization in GitLab 12.8+ allows a guest user in a private project to view tag data that should be inaccessible on the releases page

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 was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) 5.1 through 12.6.1. It has Incorrect Access Control.

An issue was discovered in GitLab EE affecting all versions starting from 16.11 prior to 17.0.5, starting from 17.1 prior to 17.1.3, and starting from 17.2 prior to 17.2.1 where certain project-level analytics settings could be leaked in DOM to group members with Developer or higher roles.

Information about the starred projects for private user profiles was exposed via the GraphQL API starting from 12.2 via the REST API. This affects GitLab >=12.2 to <13.4.7, >=13.5 to <13.5.5, and >=13.6 to <13.6.2.