A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.
{
"cwe_ids": [
"CWE-1321"
],
"github_reviewed_at": "2025-09-26T12:56:24Z",
"github_reviewed": true,
"severity": "HIGH",
"nvd_published_at": "2025-09-24T21:15:31Z"
}