PatchTheCVEjupyterhub vulnerabilities and fixes
Recent CVEs affecting jupyterhub, with upgrade or downgrade steps. 1 tracked.
jupyterhub has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 1. Most recent: 2026-05-22. Highest priority: CVE-2026-40864 (score 20/100).
- CVE-2026-40864 MEDIUM 5.4 UPGRADE JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks
FAQ
How do I fix jupyterhub vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is jupyterhub being exploited right now?
None of the tracked jupyterhub CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which jupyterhub CVE should I patch first?
CVE-2026-40864 currently ranks highest (20/100): JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks.