CVE-2026-56360

脆弱性の種類

n8n before versions 1.123.18 and 2.6.2 fails to verify HMAC-SHA256 signatures on Zendesk webhooks in the ZendeskTrigger node. Attackers who know the webhook URL can send unsigned POST requests to trigger workflows with arbitrary malicious data.

影響を受ける製品

• n8n n8n

参考情報

• https://github.com/n8n-io/n8n/security/advisories/GHSA-38c7-23hj-2wgq
• https://www.vulncheck.com/advisories/n8n-webhook-forgery-via-unsigned-post-requests-in-zendesktrigger