n8n has Webhook Forgery on Zendesk Trigger Node

Impact An attacker who knows the webhook URL of a workflow using the ZendeskTrigger node could send unsigned POST requests and trigger the workflow with arbitrary data. The node does not verify the HMAC-SHA256 signature that Zendesk attaches to every outbound webhook, allowing any party to inject...

User Impersonation

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to User Impersonation via the GitHub Webhook Trigger component. An attacker can trigger unauthorized workflow executions by sending unsigned POST requests to the webhook endpoint, thereby injecting...