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Cross-Site Request Forgery in JupyterHub

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Aug 31, 2023

Package

pip jupyterhub (pip)

Affected versions

< 1.2.0b1

Patched versions

1.2.0b1

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).

References

Published by the National Vulnerability Database Jan 13, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jun 23, 2022
Last updated Aug 31, 2023

Severity

Moderate
4.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
High
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N

EPSS score

0.053%
(22nd percentile)

Weaknesses

CVE ID

CVE-2020-36191

GHSA ID

GHSA-7xx3-qp5w-fw96

Source code

No known source code
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