Vulnerabilities CVE-2026-72768

CVE-2026-72768

Medium

Open

TLP:CLEAR

n8n before 2.32.1 SSRF Protection Bypass via MCP Client

NVD CVE.org

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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.

Details

CVSS Score: 6.4
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:L
Confidence: 90%
Published: Aug 11, 2026
Last Modified: Aug 11, 2026

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