Advisoriesby IbisGitLabCVE-2026-19650
GitLab: cross-site request forgery
Fix: upgrade to 18.11.11 or later (4 fixed versions below)
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.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| GitLab Product | >= 18.2, < 18.11.11 | 18.11.11 |
| >= 19.0, < 19.0.8 | 19.0.8 | |
| >= 19.1, < 19.1.6 | 19.1.6 | |
| >= 19.2, < 19.2.4 | 19.2.4 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-352