CVE-2020-36191: Cross-Site Request Forgery in JupyterHub

May 24, 2022 (updated September 24, 2024)

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).

References

github.com/advisories/GHSA-7xx3-qp5w-fw96
github.com/jupyterhub/jupyterhub
github.com/jupyterhub/jupyterhub/issues/3304
github.com/jupyterhub/jupyterhub/releases
github.com/pypa/advisory-database/tree/main/vulns/jupyterhub/PYSEC-2021-67.yaml
nvd.nist.gov/vuln/detail/CVE-2020-36191

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