Is CVE-2026-19478 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-19478?

CVE-2026-19478 has a CVSS v3 severity of CRITICAL (9.4).

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CVE-2026-19478

Description

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.