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Advisories

n8n before 1.123.83 Credential Authorization Bypass via Nested Inline Sub-Workflows

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Severity
high
Date
Affecting

  • n8n >= 0, < 1.123.83

CWE
  • CWE-863 Incorrect Authorization
CVSS
7.2
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N
Credit
SunKimsroul
Description
n8n before 1.123.83 contains an authorization bypass vulnerability that allows shared-workflow editors to use credentials they cannot access by embedding them in nested or tool inline sub-workflows. Attackers can save workflows with Workflow Tool or Workflow Retriever inline definitions referencing restricted credentials, which execute using the workflow owner's credential values.

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