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

High Listed in CISA KEV

CVECVE-2021-39935

First seen2026-02-03 00:00 UTC

Disclosed2026-02-03 00:00 UTC

Last updated2026-07-14 20:00 UTC

Channel statuspending_review

Summary

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.

In-depth triage · Auto channel

No in-depth report has been generated yet (DR-003 v2 AI pipeline is under construction).

Affected products

GitLab:Community and Enterprise Editions

Sources

CISA KEV DATABASE

Original Links

https://nvd.nist.gov/vuln/detail/CVE-2021-39935 advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog kev
https://about.gitlab.com/releases/2021/12/06/security-release-gitlab-14-5-2-released/ reference

Timeline

2026-02-03 kev_added CISA KEV
2026-07-14 kev_ingest CISA KEV