{"id":"CVE-2020-36191","details":"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).","aliases":["BIT-jupyterhub-2020-36191","GHSA-7xx3-qp5w-fw96","PYSEC-2021-67"],"modified":"2026-07-08T23:35:28.071804Z","published":"2021-01-13T04:15:13.073Z","references":[{"type":"ADVISORY","url":"https://github.com/jupyterhub/jupyterhub/releases"},{"type":"EVIDENCE","url":"https://github.com/jupyterhub/jupyterhub/issues/3304"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jupyterhub/jupyterhub","events":[{"introduced":"3663d7c8fcba2118dd469a8a4cca540cc63a39cf"},{"last_affected":"3663d7c8fcba2118dd469a8a4cca540cc63a39cf"}],"database_specific":{"cpe":"cpe:2.3:a:jupyter:jupyterhub:1.1.0:-:*:*:*:*:*:*","extracted_events":[{"introduced":"1.1.0-NA"},{"last_affected":"1.1.0-NA"}],"source":"CPE_STRING"}}],"versions":["1.1.0-NA","1.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36191.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N"}]}