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Vulnerability DatabaseGHSA-r764-xgvf-jrfj

GHSA-r764-xgvf-jrfj: 
JupyterHub vulnerability analysis and mitigation

Summary

When using the insecure SharedPasswordAuthenticator with admin_users, missing username normalization could lead to malicious users gaining admin access, through a process requiring admin user interaction.

Patches

Upgrade to JupyterHub 5.5.3 or 6.1.0.

Workarounds

Do not use SharedPasswordAuthenticator with an admin_users.

Source: NVD

Related JupyterHub vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-hx46-2cv3-mh6gMEDIUM6.5
  • JupyterHub logoJupyterHub
  • jupyterhub
NoYesOct 21, 2026
GHSA-x7xh-7hc7-9436MEDIUM6.1
  • JupyterHub logoJupyterHub
  • jupyterhub
NoYesOct 21, 2026
GHSA-5jhc-4h3c-q97hMEDIUM4.1
  • JupyterHub logoJupyterHub
  • jupyterhub
NoYesOct 21, 2026
GHSA-93gc-h923-mp36MEDIUMN/A
  • JupyterHub logoJupyterHub
  • jupyterhub
NoYesOct 21, 2026
GHSA-r764-xgvf-jrfjMEDIUMN/A
  • JupyterHub logoJupyterHub
  • jupyterhub
NoYesOct 21, 2026

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