GitLab 12.1 through 12.8.1 allows XSS. A stored cross-site scripting vulnerability was discovered when displaying merge requests.

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.

Denial of Service in pipelines affecting all versions of Gitlab EE and CE prior to 16.2.8, 16.3 prior to 16.3.5, and 16.4 prior to 16.4.1 allows attacker to cause pipelines to fail.

An issue was discovered in GitLab Enterprise Edition before 11.5.8, 11.6.x before 11.6.6, and 11.7.x before 11.7.1. The Jira integration feature is vulnerable to an unauthenticated blind SSRF issue.

An issue was discovered in GitLab Community and Enterprise Edition 8.x (starting in 8.9), 9.x, 10.x, and 11.x before 11.5.9, 11.6.x before 11.6.7, and 11.7.x before 11.7.2. It has Incorrect Access Control. Guest users are able to add reaction emojis on comments to which they have no visibility.

An issue has been discovered in GitLab EE affecting all versions starting from 8.12. A regular expression related to a file path resulted in the Advanced Search feature susceptible to catastrophic backtracking. Affected versions are >=8.12, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to bypass access control restrictions and view GitLab Pages content intended only for project members by authenticating through OAuth providers.

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 has been discovered in GitLab CE/EE affecting all versions starting from 15.4 before 15.9.7, all versions starting from 15.10 before 15.10.6, all versions starting from 15.11 before 15.11.2. Under certain conditions, a malicious unauthorized GitLab user may use a GraphQL endpoint to attach a malicious runner to any project.

An unauthorized user was able to insert metadata when creating new issue on GitLab CE/EE 14.0 and later.

An issue was discovered in GitLab CE/EE affecting all versions starting from 16.9 prior to 16.11.5, starting from 17.0 prior to 17.0.3, and starting from 17.1 prior to 17.1.1, where a stored XSS vulnerability could be imported from a project with malicious commit notes.

An issue was discovered in GitLab Community and Enterprise Edition 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1. There is an incorrect access vulnerability that allows an unauthorized user to view private group names.

Improper authorization in Gitlab EE affecting all versions from 12.3.0 before 15.8.5, all versions starting from 15.9 before 15.9.4, all versions starting from 15.10 before 15.10.1 allows an unauthorized access to security reports in MR.

An issue has been discovered in GitLab affecting all versions before 15.9.6, all versions starting from 15.10 before 15.10.5, all versions starting from 15.11 before 15.11.1. The main branch of a repository with a specially crafted name allows an attacker to create repositories with malicious code, victims who clone or download these repositories will execute arbitrary code on their systems.

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 SSRF.

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.7. GitLab Dependency Proxy, under certain circumstances, can impersonate a user resulting in possibly incorrect access handling.

Improper access control in GitLab EE versions 13.11.6, 13.12.6, and 14.0.2 allows users to be created via single sign on despite user cap being enabled

A XSS vulnerability exists in Gitlab CE/EE from 12.4 before 13.4.7, 13.5 before 13.5.5, and 13.6 before 13.6.2 that allows an attacker to perform cross-site scripting to other users via importing a malicious project

An issue was discovered in GitLab Community and Enterprise Edition before 12.4 in the autocomplete feature. It has Insecure Permissions (issue 2 of 2).

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.