CVE-2026-19478

Critical

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.

SeverityCritical
CVSS9.4
Exploit probability—
ProductGitlab
PublishedAug 17, 2026
First seenAug 17, 2026

How to fix

Update
  • gitlab gitlab18.11.11, 19.0.8, 19.1.6, 19.2.4 or later

Affected products

ProductAffected versionsFixed in
gitlab gitlab18.2.0 ≤ v < 18.11.11, 19.0.0 ≤ v < 19.0.8, 19.1.0 ≤ v < 19.1.6, 19.2.0 ≤ v < 19.2.418.11.11, 19.0.8, 19.1.6, 19.2.4

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.