In GitLab before 13.0.12, 13.1.6 and 13.2.3, it is possible to bypass E-mail verification which is required for OAuth Flow.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 12.3.0 (including) | 13.0.12 (excluding) |
| Gitlab | Gitlab | 13.1.0 (including) | 13.1.6 (excluding) |
| Gitlab | Gitlab | 13.2.0 (including) | 13.2.3 (excluding) |