Skip to main content

Unrestricted Upload of File with Dangerous Type

CVE-2025-56265

High
8.8/10

Summary

An arbitrary File Upload vulnerability in the Chat Trigger component of N8N (nodes-langchain) prior to version 1.106.0, allows attackers to execute arbitrary code via uploading a crafted HTML file. The package 'n8n-nodes-base' is affected prior to the version 1.105.0 and the package 'n8n-workflows' is also affected prior to the version 1.104.0.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-434 - Unrestricted Upload of File with dangerous type

'Unrestricted file upload with dangerous type' attacks involve an attacker uploading or transferring files of dangerous types to the server. The severity of such an attack depends upon the execution mechanism and the storage location of the uploaded file. Thus, it may range from simple defacement to arbitrary file execution, and complete system takeover.

References

Advisory Timeline

  • Published