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CVE-2021-39935 — GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability

provenance: imported · CVE: CVE-2021-39935

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