CVE-2026-103245

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...

CVE-2026-103245

Versions of n8n prior to 1.123.80, 2.39.6, and 2.40.1 are vulnerable to a missing webhook signature verification flaw in the Webflow Trigger node webhook handler. The application fails to verify the x-webflow-signature HMAC, allowing unauthenticated attackers to send forged webhook requests with ...

EUVD-2026-90749

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 fail to verify the x-webflow-signature HMAC in the Webflow Trigger node webhook handler. Unauthenticated attackers can send forged webhook requests with attacker-controlled payloads to trigger workflows and...