MEDIUM 6.4 NVD
CVE-2026-72768
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 bypas
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.
References
- https://github.com/n8n-io/n8n/security/advisories/GHSA-vhf8-cg2h-cg3p
- https://www.vulncheck.com/advisories/n8n-before-ssrf-protection-bypass-via-mcp-client
This medium severity vulnerability with a CVSS score of 6.4 was published on 2026-08-11 via NVD.
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