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Servers running on a base_url prefix are not affected.","2019-03-28",6.1,"v3.0","Medium",0.01756,{"cveId":187,"description":188,"publishedDate":189,"cvssScore":190,"cvssVersion":191,"severity":192,"isKev":16,"epssScore":193},"CVE-2021-41247","JupyterHub is an open source multi-user server for Jupyter notebooks. In affected versions users who have multiple JupyterLab tabs open in the same browser session, may see incomplete logout from the single-user server, as fresh credentials (for the single-user server only, not the Hub) reinstated after logout, if another active JupyterLab session is open while the logout takes place. Upgrade to JupyterHub 1.5. For distributed deployments, it is jupyterhub in the _user_ environment that needs patching. There are no patches necessary in the Hub environment. The only workaround is to make sure that only one JupyterLab tab is open when you log out.","2021-11-04",7.5,"v3.1","High",0.00804,{"cveId":195,"description":196,"publishedDate":12,"cvssScore":197,"cvssVersion":191,"severity":192,"isKev":16,"epssScore":198},"CVE-2024-41942","JupyterHub is software that allows one to create a multi-user server for Jupyter notebooks. Prior to versions 4.1.6 and 5.1.0, if a user is granted the `admin:users` scope, they may escalate their own privileges by making themselves a full admin user. The impact is relatively small in that `admin:users` is already an extremely privileged scope only granted to trusted users.\nIn effect, `admin:users` is equivalent to `admin=True`, which is not intended. Note that the change here only prevents escalation to the built-in JupyterHub admin role that has unrestricted permissions. It does not prevent users with e.g. `groups` permissions from granting themselves or other users permissions via group membership, which is intentional. Versions 4.1.6 and 5.1.0 fix this issue.",7.2,0.0059,{"cveId":200,"description":201,"publishedDate":202,"cvssScore":203,"cvssVersion":191,"severity":184,"isKev":16,"epssScore":204},"CVE-2020-36191","JupyterHub 1.1.0 allows CSRF in the admin panel via a request that lacks an _xsrf field, as demonstrated by a \u002Fhub\u002Fapi\u002Fuser request (to add or remove a user account).","2021-01-13",4.5,0.0051,{"cveId":206,"description":207,"publishedDate":208,"cvssScore":209,"cvssVersion":191,"severity":192,"isKev":16,"epssScore":210},"CVE-2024-28233","JupyterHub is an open source multi-user server for Jupyter notebooks. By tricking a user into visiting a malicious subdomain, the attacker can achieve an XSS directly affecting the former's session. 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