Versions of lodash.defaultsdeep before 4.6.1 are vulnerable to Prototype Pollution. The function 'defaultsDeep' may allow a malicious user to modify the prototype of Object via __proto__ causing the addition or modification of an existing property that will exist on all objects.
Update to version 4.6.1 or later.
{
"cwe_ids": [
"CWE-1321"
],
"github_reviewed": true,
"github_reviewed_at": "2020-08-31T18:46:13Z",
"nvd_published_at": null,
"severity": "HIGH"
}