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CRITICAL

CVE-2026-19478

CVSS v3

9.4

CRITICAL

EPSS Score

60.2 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-08-17
Last Modified
2026-08-18

Frequently asked questions

What is 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.

Is CVE-2026-19478 actively exploited?

Active exploitation of CVE-2026-19478 has not been confirmed. Its EPSS score was 60.2% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-19478?

CVE-2026-19478 has a CVSS v3 base score of 9.4 (CRITICAL severity).

Is CVE-2026-19478 affecting your environment?

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