Cloudinary Upload in Code Node Suddenly Fails with ‘Cannot assign to read only property valueOf’ Error

Questions
1

Describe the problem/error/question
I have a Code Node in my workflow that uploads images to Cloudinary using the cloudinary npm package.
This function has been working perfectly for weeks, but suddenly I started getting this error without changing anything in the code or environment variables.
I am wondering if something changed in the n8n runtime or dependencies that could cause this.
The error occurs both when uploading from binary data and from an image URL.

What is the error message (if any)?
Cloudinary upload error: Cannot assign to read only property ‘valueOf’ of object ‘[object Object]’

Please share your workflow

Share the output returned by the last node

Cloudinary upload error: Cannot assign to read only property 'valueOf' of object '[object Object]'

Information on your n8n setup

  • n8n version: 1.106.3

  • Database: SQLite (default)

  • n8n EXECUTIONS_PROCESS setting: default (own)

  • Running n8n via: npm

  • Operating system: MacOS

2

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