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CVE-2026-19478

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.

Scores

9.1
CVSS 9.1 out of 10, critical severity.
60.2%
EPSS 60.2% chance of exploitation in the next 30 days.

The facts

Published
17 August 2026
Last changed
2 September 2026
NVD status
Analyzed
Severity
Critical, CVSS 9.1 out of 10 (version 3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness
Affects
  • gitlab gitlab
Known exploited
Not in the CISA Known Exploited Vulnerabilities catalogue in this build.
EPSS
60.2% chance of exploitation activity in the next 30 days (percentile 99).

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References