n8n – Credential Exfiltration via Allowed HTTP Request Domains Bypass in Dynamic Node Parameters Endpoint_CVE-2026-56348
n8n before 2.20.0 contains a credential exfiltration vulnerability in the POST /rest/dynamic-node-parameters/options endpoint that allows authenticated users to bypass Allowed HTTP Request Domains restrictions. Attackers with credential access can cause the n8n server to issue...