What is CVE-2026-19650?

CVE-2026-19650 is a high-severity vulnerability in GitLab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-08-17.

How severe is CVE-2026-19650?

High severity. CVSS v3 base score is 7.1 out of 10.

CSRF in GitLab

CVE-2026-19650

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 have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.

Vulnerability class: CSRF (Cross-Site Request Forgery)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L.

Affected products

Gitlab — versions 18.2, 19.0, 19.1

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

cve@gitlab.com
cve@gitlab.com
cve@gitlab.com (technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2026-19650?: CVE-2026-19650 is a high-severity vulnerability in GitLab, classified under Cross-Site Request Forgery (CSRF). CVSS score: 7.1/10. Published 2026-08-17.
How severe is CVE-2026-19650?: High severity. CVSS v3 base score is 7.1 out of 10.