All versions of package arr-flatten-unflatten up to and including version 1.1.4 are vulnerable to Prototype Pollution via the constructor.
{
"cwe_ids": [
"CWE-1321"
],
"github_reviewed": true,
"github_reviewed_at": "2021-05-05T19:00:34Z",
"nvd_published_at": "2020-09-01T09:15:00Z",
"severity": "CRITICAL"
}