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 12.0 before 17.9.8, 17.10 before 17.10.6, and 17.11 before 17.11.2. Under certain conditions users could bypass IP access restrictions and view sensitive information.

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.

An issue was discovered in GitLab EE/CE affecting all versions starting from 11.5 before 17.7.7, all versions starting from 17.8 before 17.8.5, all versions starting from 17.9 before 17.9.2. Certain user inputs in repository mirroring settings could potentially expose sensitive authentication information.

An issue was discovered in GitLab CE/EE affecting all versions from 16.9.8 before 17.4.5, 17.5 before 17.5.3, and 17.6 before 17.6.1. Certain API endpoints could potentially allow unauthorized access to sensitive data due to overly broad application of token scopes.

An issue has been discovered in GitLab EE affecting all versions from 17.1 before 17.8.7, 17.9 before 17.9.6, and 17.10 before 17.10.4. This allows attackers to perform targeted searches with sensitive keywords to get the count of issues containing the searched term."

An issue has been discovered in GitLab CE/EE affecting all versions starting from 16.0 before 16.3.6, all versions starting from 16.4 before 16.4.2, and all versions starting from 16.5.0 before 16.5.1 which have the `super_sidebar_logged_out` feature flag enabled. Affected versions with this default-disabled feature flag enabled may unintentionally disclose GitLab version metadata to unauthorized actors.

An issue has been discovered in GitLab EE affecting all versions starting from 16.2 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 an attacker to abuse the policy bot to gain access to internal projects.

An issue was discovered in GitLab CE/EE affecting all versions before 17.6.0 in which users were unaware that files uploaded to comments on confidential issues and epics of public projects could be accessed without authentication via a direct link to the uploaded file URL.

An issue was discovered in GitLab Community and Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Remote attackers could obtain sensitive information about issues, comments, and project titles via events API insecure direct object reference.

An issue was discovered in GitLab Enterprise Edition before 11.1.7, 11.2.x before 11.2.4, and 11.3.x before 11.3.1. Attackers could obtain sensitive information about group names, avatars, LDAP settings, and descriptions via an insecure direct object reference to the "merge request approvals" feature.

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.

An information disclosure vulnerability in GitLab EE versions 13.11 and later allowed a project owner to leak information about the members' on-call rotations in other projects

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.6. Under a special condition it was possible to access data of an internal repository through a public project fork as an anonymous user.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 12.8. Under a special condition it was possible to access data of an internal repository through project fork done by a project member.

An information disclosure vulnerability in GitLab CE/EE affecting all versions from 8.3 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to send a crafted request to a backend server to reveal sensitive information.

Incorrect Authorization check affecting all versions of GitLab EE from 13.11 prior to 15.5.7, 15.6 prior to 15.6.4, and 15.7 prior to 15.7.2 allows group access tokens to continue working even after the group owner loses the ability to revoke them.

An insecure direct object reference vulnerability in GitLab EE affecting all versions from 15.7 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to view repositories in an unauthorized way.

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 starting from 16.6 prior to 17.2.9, from 17.3 prior to 17.3.5, and from 17.4 prior to 17.4.2. It was possible for an unauthenticated attacker to determine the GitLab version number for a GitLab instance.

An issue was discovered in GitLab EE affecting all versions starting from 17.0 prior to 17.0.6, starting from 17.1 prior to 17.1.4, and starting from 17.2 prior to 17.2.2, where webhook deletion audit log preserved auth credentials.

Improper authorization in global search in GitLab EE affecting all versions from 16.11 prior to 16.11.5 and 17.0 prior to 17.0.3 and 17.1 prior to 17.1.1 allows an attacker leak content of a private repository in a public project.

GitLab EE 8.0 and later through 12.7.2 allows Information Disclosure.

In GitLab Enterprise Edition (EE) 12.5.0 through 12.7.5, sharing a group with a group could grant project access to unauthorized users.

An issue has been discovered in GitLab affecting all versions starting from 11.10 before 15.8.5, all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1. It was possible to disclose the branch names when attacker has a fork of a project that was switched to private.

An issue was discovered in GitLab EE 11.3 and later. A GitLab Workhorse bypass could lead to package and file disclosure via request smuggling.

An issue has been discovered in GitLab EE affecting all versions starting from 11.2 before 17.1.7, all versions starting from 17.2 before 17.2.5, all versions starting from 17.3 before 17.3.2. It was possible for a guest to read the source code of a private project by using group templates.

An issue has been discovered in GitLab CE/EE affecting only version 16.0.0. An unauthenticated malicious user can use a path traversal vulnerability to read arbitrary files on the server when an attachment exists in a public project nested within at least five groups.

An issue has been discovered in GitLab CE/EE affecting all versions before 15.1.6, all versions starting from 15.2 before 15.2.4, all versions starting from 15.3 before 15.3.2. It may be possible for an attacker to guess a user's password by brute force by sending crafted requests to a specific endpoint, even if the victim user has 2FA enabled on their account.

GitLab EE 8.4 through 12.5, 12.4.3, and 12.3.6 stored several tokens in plaintext.

An improper authorization issue in GitLab CE/EE affecting all versions from 13.7 prior to 14.10.5, 15.0 prior to 15.0.4, and 15.1 prior to 15.1.1 allows an attacker to extract the value of an unprotected variable they know the name of in public projects or private projects they're a member of.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API

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.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.1 before 14.7.7, all versions starting from 14.8 before 14.8.5, all versions starting from 14.9 before 14.9.2 where a blind SSRF attack through the repository mirroring feature was possible.

An issue has been discovered in GitLab EE affecting all versions starting from 14.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. Access tokens may have been logged when a query was made to a specific endpoint.

An improper access control issue in GitLab EE affecting all versions from 12.0 prior to 15.0.5, 15.1 prior to 15.1.4, and 15.2 prior to 15.2.1 allows an attacker to bypass IP allow-listing and download artifacts. This attack only bypasses IP allow-listing, proper permissions are still required.

Private group info is leaked leaked in GitLab CE/EE version 10.2 and above, when the project is moved from private to public group. Affected versions are: >=10.2, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

An issue was discovered in GitLab 10.7.0 and later through 12.9.2. A Workhorse bypass could lead to job artifact uploads and file disclosure (Exposure of Sensitive Information) via request smuggling.

An issue was discovered in GitLab Community Edition (CE) and Enterprise Edition (EE) before 12.7.9, 12.8.x before 12.8.9, and 12.9.x before 12.9.3. A Workhorse bypass could lead to NuGet package and file disclosure (Exposure of Sensitive Information) via request smuggling.

GitLab before 12.8.2 allows Information Disclosure. Badge images were not being proxied, causing mixed content warnings as well as leaking the IP address of the user.

An issue has been discovered in GitLab affecting all versions starting from 16.2 before 16.2.8, all versions starting from 16.3 before 16.3.5, all versions starting from 16.4 before 16.4.1. It was possible to read the source code of a project through a fork created before changing visibility to only project members.

An issue has been discovered in GitLab affecting all versions starting from 12.6 before 14.8.6, all versions starting from 14.9 before 14.9.4, all versions starting from 14.10 before 14.10.1. GitLab was not correctly authenticating a user that had some certain amount of information which allowed an user to authenticate without a personal access token.

Missing input masking in GitLab CE/EE affecting all versions starting from 1.0.2 before 14.8.6, all versions from 14.9.0 before 14.9.4, and all versions from 14.10.0 before 14.10.1 causes potentially sensitive integration properties to be disclosed in the web interface

An issue has been discovered in GitLab affecting all versions starting from 14.6 before 14.6.5, all versions starting from 14.7 before 14.7.4, all versions starting from 14.8 before 14.8.2. GitLab was leaking user passwords when adding mirrors with SSH credentials under specific conditions.

An issue has been discovered in GitLab CE/EE affecting all versions starting with 14.5. Arbitrary file read was possible by importing a group was due to incorrect handling of file.

Improper input validation in all versions of GitLab CE/EE using sendmail to send emails allowed an attacker to steal environment variables via specially crafted email addresses.

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 allows Information Disclosure (issue 3 of 6). For installations using GitHub or Bitbucket OAuth integrations, it is possible to use a covert redirect to obtain the user OAuth token for those services.

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 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.