Critical GitLab GraphQL Flaw Could Let Unauthenticated Attackers Delete Public Projects

Critical GitLab GraphQL Flaw Could Let Unauthenticated Attackers Delete Public Projects
GitLab has released urgent security updates for CE and EE to fix CVE-2026-19478, a critical flaw that could let an unauthenticated attacker remotely modify or delete public projects and user data in self-managed installations. The release also patches CVE-2026-19650, a high-severity CSRF issue in GraphQL multiplex query handling, with fixes available in GitLab 19.2.4, 19.1.6, 19.0.8, and 18.11.11. #GitLab #CVE-2026-19478 #CVE-2026-19650 #GraphQL

Keypoints

  • GitLab fixed a critical vulnerability in Community Edition and Enterprise Edition.
  • CVE-2026-19478 could allow unauthenticated remote modification or deletion of public projects and user data.
  • The critical issue affects self-managed installations and is patched in GitLab 19.2.4, 19.1.6, 19.0.8, and 18.11.11.
  • GitLab also addressed CVE-2026-19650, a high-severity CSRF flaw in GraphQL multiplex query handling.
  • GitLab.com and GitLab Dedicated are already patched and do not require customer action.

Read More: https://thehackernews.com/2026/08/critical-gitlab-graphql-flaw-could-let.html