Medium severityNVD Advisory· Published Aug 11, 2026

CVE-2026-72768

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.

Affected products

N8n Io/N8nllm-fuzzy
Range: <2.32.1

Patches

Vulnerability mechanics

References

github.com/n8n-io/n8n/security/advisories/GHSA-vhf8-cg2h-cg3pnvd
www.vulncheck.com/advisories/n8n-before-ssrf-protection-bypass-via-mcp-clientnvd

News mentions

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