CVE-2021-39935

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

GitLab — Community and Enterprise Editions

Added to KEV catalog: 3 February 2026
Federal remediation due date: 24 February 2026
Weakness classification (CWE): CWE-918

CISA 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.

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

View on NVD View on MITRE CVE View full CISA catalog

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