CVE-2026-103245EPSS p4.2%
CVE-2026-103245CVE-2026-103245
Description
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 manipulate downstream actions like record creation or API calls.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| EPSS | 0.16% probability of exploitation · percentile 4.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-10-01 |