What’s Vulnerable › Vulnerabilities

CVE-2020-36191

• Severity: medium (CVSS 4.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-13 · updated 2026-06-17
• Weakness: CWE-352

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).

Affected products

• jupyterhub: 1.1.0

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

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