CVE-2026-77073
EUVD-2026-6326220.08.2026, 12:16
n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references on workflows in different projects.Enginsight
Affected Products (NVD)
| Vendor | Product | Version |
|---|---|---|
| n8n | n8n | 𝑥 < 2.33.4 |
| n8n | n8n | 2.34.0 |
𝑥
= Vulnerable software versions
Common Weakness Enumeration