CVE-2026-19650

HIGH 7.1

Cross-Site Request Forgery (CSRF) in GitLab

CVSS Score

7.1

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-352
Vendor	gitlab
Product	gitlab
Ecosystems	DevTools
Industries	Technology
Published	Aug 17, 2026
Last Updated	Aug 17, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

Low

Affected Versions

GitLab / GitLab

18.2 < 18.11.11 19.0 < 19.0.8 19.1 < 19.1.6 19.2 < 19.2.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

gitlab.com: https://gitlab.com/gitlab-org/gitlab/-/work_items/612617 hackerone.com: https://hackerone.com/reports/3903669 docs.gitlab.com: https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/

Credits

Thanks [kreep](https://hackerone.com/kreep) for reporting this vulnerability through our HackerOne bug bounty program