CVE-2021-39935 — GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
2026-02-03 • CISA Known Exploited Vulnerability
[event] GitLab Community and Enterprise Editions contain a server-side request forgery vulnerability which could allow unauthorized external users to perform Server Side Requests via the CI Lint API.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | GitLab |
| Product | Community and Enterprise Editions |
| CWE | CWE-918 |
| CVE ID | CVE-2021-39935 |
| Date Added | 2026-02-03 |
| Due Date | 2026-02-24 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-02-24