Advisories

n8n before 2.32.1 Credential Restriction Bypass via AI/LLM Nodes

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severity
high
date
Affecting
  • n8n >= 0, < 2.32.1

  • n8n >= 0, < 2.31.5

CWE
  • CWE-863 Incorrect Authorization
CVSS
7.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Description
n8n versions before 2.32.1 fail to enforce the Allowed HTTP Request Domains allowlist in multiple AI and LLM nodes when user-supplied base or endpoint URLs are configured. Low-privileged workflow editors with use-only access to shared credentials can redirect requests to attacker-controlled hosts and exfiltrate credential secrets for reuse against underlying services.

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