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).
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:jupyter:jupyterhub:1.1.0:-:*:*:*:*:*:*",
"range": [
{
"introduced": "1.1.0-NA"
},
{
"last_affected": "1.1.0-NA"
}
],
"source": "CPE_STRING"
}
]
}