GitLab CE/EE, versions 8.18 up to 11.x before 11.3.11, 11.4 before 11.4.8, and 11.5 before 11.5.1, are vulnerable to an SSRF vulnerability in webhooks.
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gitlab | Gitlab | 8.18.0 (including) | 11.3.11 (excluding) |
| Gitlab | Gitlab | 11.4.0 (including) | 11.4.8 (excluding) |
| Gitlab | Gitlab | 11.5.0 (including) | 11.5.1 (excluding) |