@uppy/companion prior to version 3.3.1 is vulnerable to incorrect authorization. A user with URL upload access could enumerate internal companion server networks, send local webservers files to the destination server, and finally download them If each of these files had a guessable and regular name.
{
"cwe_ids": [
"CWE-200",
"CWE-863",
"CWE-918"
],
"github_reviewed": true,
"github_reviewed_at": "2022-03-10T21:57:56Z",
"nvd_published_at": "2022-03-03T07:15:00Z",
"severity": "HIGH"
}