JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a /hub/api/user request (to add or remove a user account).
{
"nvd_published_at": "2021-01-13T04:15:00Z",
"severity": "MODERATE",
"github_reviewed": true,
"cwe_ids": [
"CWE-352"
],
"github_reviewed_at": "2022-06-23T18:03:58Z"
}