{"cve":"CVE-2020-36191","nvd":{"published":"2021-01-13T04:15:13.073","modified":"2026-06-17T03:14:58.280","status":"Modified","description":"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).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N","score":4.5},"cwes":["CWE-352"],"references":["https://github.com/jupyterhub/jupyterhub/issues/3304","https://github.com/jupyterhub/jupyterhub/releases","https://github.com/jupyterhub/jupyterhub/issues/3304","https://github.com/jupyterhub/jupyterhub/releases"],"products":["jupyter:jupyterhub"],"source":"nvd","synced_at":"2026-10-19T21:14:10.479542811+00:00"},"epss":{"cve":"CVE-2020-36191","score":0.0051,"percentile":0.43507,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-7xx3-qp5w-fw96","url":"https://osv.dev/vulnerability/GHSA-7xx3-qp5w-fw96","summary":"Cross-Site Request Forgery in JupyterHub","modified":"2024-09-24T21:23:43.200029Z","packages":[{"ecosystem":"PyPI","name":"jupyterhub","purl":"pkg:pypi/jupyterhub","ranges":["<1.2.0b1"],"fixed":["1.2.0b1"]}]},{"id":"PYSEC-2021-67","url":"https://osv.dev/vulnerability/PYSEC-2021-67","summary":"","modified":"2023-12-06T01:00:33.895324Z","packages":[{"ecosystem":"PyPI","name":"jupyterhub","purl":"pkg:pypi/jupyterhub","ranges":["<1.2.0b1"],"fixed":["1.2.0b1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}