CVE-2021-39935 — GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
CVE-2021-39935: GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | GitLab |
| Product | Community and Enterprise Editions |
| Date added | 2026-02-03 |
| Due date | 2026-02-24 |
| Ransomware campaign use | Unknown |
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 (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/ ; https://nvd.nist.gov/vuln/detail/CVE-2021-39935
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-39935
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog