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CVE-2026-19478

Improper Control of Generation of Code ('Code Injection') in GitLab

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 18.11.11, 19.0.8, 19.1.6, 19.2.4
5 proofs of concept on GitHub, 1 Nuclei template
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.11.11, 19.0 before 19.0.8, 19.1 before 19.1.6, and 19.2 before 19.2.4 that under certain conditions could allow an unauthenticated user to remotely modify or delete public projects and user data via a GraphQL directive.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • GitLab GitLab

    From 18.2 · fixed in 18.11.11; From 19.0 · fixed in 19.0.8; From 19.1 · fixed in 19.1.6; From 19.2 · fixed in 19.2.4

References 9

gitlab.com

hackerone.com

docs.gitlab.com

GitHub · projectdiscovery/nuclei-templates

GitHub · EQSTLab/CVE-2026-19478

GitHub · davkharrr/CVE-2026-19478-PoC

GitHub · dinosn/gitlab-cve-2026-19478-lab

GitHub · n0xdaemon/cve-2026-19478

GitHub · renzi25031469/CVE-2026-19478