puppeteer-renderer v.3.2.0 and before is vulnerable to Directory Traversal. Attackers can exploit the URL parameter using the file protocol to read sensitive information from the server.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.