User Impersonation

Overview n8n-nodes-base is a Base nodes of n8n Affected versions of this package are vulnerable to User Impersonation via the ZendeskTrigger component. An attacker can inject arbitrary data into workflows by sending unsigned POST requests to the webhook endpoint. Remediation Upgrade n8n-nodes-bas...

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...

GHSA-38C7-23HJ-2WGQ 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...