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CVE-2026-118640

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.123.85, 2.44.1, 2.43.5
None on Exploit-DB, Metasploit or GitHub

Summary

n8n, a workflow automation platform, is affected through its Chat Hub feature. A flaw lets users who only have chat access register restricted tools, which can allow them to run sandboxed code, reach files they should not see, and use workflows, data tables, and agents beyond their permissions.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original 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.

Timeline

  1. CVE published
  2. First seen by cve.now

Affected versions

  • n8n-io n8n

    fixed in 1.123.85

  • n8n-io n8n

    From 2.44.0 · fixed in 2.44.1

  • n8n-io n8n

    From 2.0.0 · fixed in 2.43.5

References 2

GitHub · n8n-io/n8n

vulncheck.com