CVE-2026-72768

UNKNOWN 0.0

n8n before 2.32.1 SSRF Protection Bypass via MCP Client

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	n8n-io
Product	n8n
Published	Aug 11, 2026

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Affected Versions

n8n-io / n8n

0 < 2.32.1

n8n-io / n8n

0 < 2.31.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/n8n-io/n8n/security/advisories/GHSA-vhf8-cg2h-cg3p vulncheck.com: https://www.vulncheck.com/advisories/n8n-before-ssrf-protection-bypass-via-mcp-client

Credits

🔍 nil340