CVE-2026-19478critical
GitLab Critical GraphQL Flaw Actively Exploited
GitLab has released an emergency patch for a critical vulnerability in its GraphQL API that allows unauthenticated attackers to modify or delete public projects and user data. Researchers from WatchTowr discovered the flaw, tracked as CVE-2026-19478, which has a CVSS score of 9.4 and is reportedly under active exploitation. The vulnerability affects self-managed installations, and users are urged to upgrade to specific patched versions, as older branches will not receive direct fixes.