In all versions of GitLab CE/EE since version 8.12, an authenticated low-privileged malicious user may create a project with unlimited repository size by modifying values in a project export.
In all versions of GitLab CE/EE, there exists a content spoofing vulnerability which may be leveraged by attackers to trick users into visiting a malicious website by spoofing the content in an error response.
Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.
Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown
Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings
A vulnerability was discovered in GitLab versions before 14.0.2, 13.12.6, 13.11.6. GitLab Webhook feature could be abused to perform denial of service attacks.