All versions of component-flatten are vulnerable to Prototype Pollution. The a function could be tricked into adding or modifying properties of Object.prototype using a __proto__ payload.
{
"cwe_ids": [
"CWE-74"
],
"github_reviewed": true,
"github_reviewed_at": "2023-07-18T23:54:18Z",
"nvd_published_at": "2020-02-18T16:15:00Z",
"severity": "MODERATE"
}