Medium severity5.3NVD Advisory· Published Oct 1, 2026· Updated Oct 1, 2026
CVE-2026-103245
CVE-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.
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Affected products
1Patches
Vulnerability mechanics
References
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