CVE-2026-72768
Last modified
CVE-2026-72768 is a high-severity vulnerability rated 8.3/10 on the CVSS scale. n8n versions before 2.32.1 contain a server-side request forgery protection bypass vulnerability in the MCP Client node that allows authenticated users to bypass SSRF protections. Attackers can craft workflows that send requests to internal or blocked hosts without routing through SSRF protection, exposing internal services and reading responses back through the workflow.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
n8n versions before 2.32.1 contain a server-side request forgery protection bypass vulnerability in the MCP Client node that allows authenticated users to bypass SSRF protections. Attackers can craft workflows that send requests to internal or blocked hosts without routing through SSRF protection, exposing internal services and reading responses back through the workflow.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| N8n | N8n | >= 2.31.0, < 2.31.5 |
| N8n | N8n | 2.32.0 |
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vhf8-cg2h-cg3pMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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