CVE-2026-19650
Last modified
CVE-2026-19650 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.
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 have allowed an unauthenticated user to execute mutations via GET requests due to improper request validation in GraphQL multiplex query handling.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 18.2.0, < 18.11.11 |
| Gitlab | Gitlab | >= 19.0.0, < 19.0.8 |
| Gitlab | Gitlab | >= 19.1.0, < 19.1.6 |
| Gitlab | Gitlab | >= 19.2.0, < 19.2.4 |
References
- https://gitlab.com/gitlab-org/gitlab/-/work_items/612617Not Applicable
- https://hackerone.com/reports/3903669Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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