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Advisories

n8n before 1.123.85, 2.43.5, and 2.44.1 Credential Permission Check Bypass via Inline Sub-Workflows

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Severity
medium
Date
Affecting

  • n8n >= 0, < 1.123.85

  • n8n >= 2.44.0, < 2.44.1

  • n8n >= 2.0.0, < 2.43.5

CWE
  • CWE-863 Incorrect Authorization
CVSS
5.1
CVSS V4 Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:N
Credit
Masofgon
Description
n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability that allows authenticated members to use inaccessible credentials through inline sub-workflow nodes with non-boolean disabled values. Attackers knowing a credential id can run Execute Workflow nodes in inline JSON mode that skip the permission check and send decrypted credentials to attacker-controlled servers.

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