HIGH 7.1 NVD
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
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.
References
- https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-2-4-released/
- https://gitlab.com/gitlab-org/gitlab/-/work_items/612617
- https://hackerone.com/reports/3903669
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-17 via NVD.
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