Engine.IO before 4.0.0 and 3.6.0 allows attackers to cause a denial of service (resource consumption) via a POST request to the long polling transport.
{
"nvd_published_at": "2021-01-08T00:15:00Z",
"severity": "HIGH",
"github_reviewed_at": "2021-04-06T22:58:33Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-400"
]
}