n8n before 2.28.0 contains an improper authorization vulnerability allowing authenticated users to assign workflows to folders in other projects. Attackers can bypass project and folder authorization boundaries by supplying crafted request payloads during workflow creation, causing logical integrity violations in target project folder structures.
| Vendor | Product | Versions |
|---|---|---|
| n8n | n8n | npm/n8n: < 2.28.0 |
Updated severity to CRITICAL, marked exploit availability as false, and specified affected versions as 2.27.x.
Initial creation
