PT-2026-103778 · N8N Io · N8N

CVE-2026-103245

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Publicado

2026-10-01

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Atualizado

2026-10-01

CVSS v3.1

5.3

Média

VetorAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.

Correção

Improper Verification of Cryptographic Signature

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Enumeração de Fraquezas

Identificadores relacionados

CVE-2026-103245

Produtos afetados

N8N