February 3, 2026 · Applied Cybernetics Group
CVE-2021-39935 — GitLab Community and Enterprise Editions
GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
- Added to KEV
2026-02-03- Federal due date
2026-02-24- Vendor
- GitLab
- Product
- Community and Enterprise Editions
- EPSS
- 98.5th percentile (score 0.645, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-39935
CISA short description
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.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.