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Advisories

n8n before 1.123.85, 2.43.5, and 2.44.1 Chat Hub Authorization Bypass

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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
5.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Credit
vonypeto
Description
n8n before 1.123.85, 2.43.5, and 2.44.1 contains an authorization bypass vulnerability in Chat Hub that allows chat-only users to register restricted tool types. Users with the global:chatUser role can add and run tools through chat to execute sandboxed code, access permitted files, and use instance workflows, Data Tables, and agents.

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