GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability

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• NewsExploited · CISA KEVGitLab · Community and Enterprise Editions

  GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF) Vulnerability

  CVE-2021-39935

  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.

  CISA's required action · due 24 Feb 2026 for U.S. federal civilian agencies

  Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  Cited by CISA: about.gitlab.com · nvd.nist.gov

  Added to KEV 3 Feb 2026 · Source checked 4 Nov 2026, 16:40 UTC · CISA KEV entry

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