CVE-2026-19478: GitLab

Critical severity, CVSS 9.1. EPSS: 60.2% chance of exploitation in the next 30 days.

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 products

• GitLab GitLab: from 18.2.0, before 18.11.11 (fixed in 18.11.11); from 19.0.0, before 19.0.8 (fixed in 19.0.8); from 19.1.0, before 19.1.6 (fixed in 19.1.6); from 19.2.0, before 19.2.4 (fixed in 19.2.4)

Published 2026-08-17. Last modified 2026-09-02.