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[ CVE-2021-39935 · Published 13 Dec 2021 ]

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

Exploited · CISA KEV CVSS 7.5 EPSS 36%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-02-03
  • EPSS: 36% chance of exploitation in the next 30 days (higher than 98% of CVEs)

[ Description ]Official description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API

CISA: 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.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 24 Feb 2026): Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References