AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

JupyterGHSA-rv62-4pmj-xw6h

Open Redirect vulnerability in jupyterhub and notebook

Jupyter

CVE-2019-10255 · Published Apr 2, 2019 · updated Jul 13, 2026

Medium6.1
Fix: upgrade to 0.9.6 or later (2 fixed versions below)
GitHub advisory

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.8 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.6 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a base_url prefix are not affected.

Affected versions

PackageAffectedFixed in
jupyterhub
PyPI
< 0.9.60.9.6
notebook
PyPI
< 5.7.85.7.8
Details and references

More Jupyter advisories

All Jupyter