What is CVE-2026-19478?
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.
Affected product
See advisory
Remediation Steps
- Apply GitLab security updates released for this vulnerability
- Verify that unauthenticated access to GraphQL endpoints is restricted or properly authenticated
- Review audit logs for evidence of public project deletion or modification
- Test the patch in a non-production environment before deployment
References
Referenced in our briefings & reports
- Vulnerability Priority Report – Week 3 of August 2026 (August 17 – 23)
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🤖 This CVE page is generated by defend.network from NVD, CISA KEV, EPSS, and our verified daily briefings. Severity and exploitation data come from official sources; always verify remediation steps against the official vendor advisory before acting in production.