Upstream information
Description
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. There is Server-Side Request Forgery (SSRF) via a loopback address to the validate_localhost function in url_blocker.rb.SUSE information
Overall state of this security issue: Does not affect SUSE products
This issue is currently rated as having critical severity.
| CVSS detail | CNA (CISA-ADP) | National Vulnerability Database | 
|---|---|---|
| Base Score | 9.8 | 9.8 | 
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 
| Attack Vector | Network | Network | 
| Attack Complexity | Low | Low | 
| Privileges Required | None | None | 
| User Interaction | None | None | 
| Scope | Unchanged | Unchanged | 
| Confidentiality Impact | High | High | 
| Integrity Impact | High | High | 
| Availability Impact | High | High | 
| CVSSv3 Version | 3.1 | 3.1 | 
SUSE Timeline for this CVE
CVE page created: Thu Oct 4 09:30:22 2018CVE page last modified: Mon Oct 6 19:18:10 2025
