CVE-2026-65596 n8n before 1.123.64 Credential Exfiltration via GraphQL Node

n8n before 1.123.64, 2.29.8, and 2.30.1 fails to enforce the "Allowed HTTP Request Domains" restriction on HTTP-based credentials Header Auth, Basic Auth, Query Auth, OAuth in the GraphQL node, unlike the HTTP Request node. An authenticated user able to create or edit workflows can point the node...

PT-2026-56816

Name of the Vulnerable Software and Affected Versions n8n versions prior to 2.27.4 n8n versions prior to 2.28.1 Description The AI Agents feature fails to enforce the Allowed HTTP Request Domains restriction configured on credentials when an MCP tool is directed to an arbitrary URL. This allows a...