PT-2026-129138

CVE-2026-118640

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Published

2026-10-28

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Updated

2026-10-28

Description by

CVSS 3.1
5.4
Medium
MetricsAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
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.
Exploitability
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
CWE-863: Incorrect Authorization
Related identifiers
CVE-2026-118640
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