CVSS 3.0
6.1 mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2019-10255
An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.5 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.
Severity
- EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
- CWE
- CWE-601
- Published
- Modified
- Record from
- the NVD, synced
Affected
- jupyter:jupyterhub
- jupyter:notebook
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-rv62-4pmj-xw6h | PyPI | notebook | <5.7.8 | 5.7.8 |
| GHSA-rv62-4pmj-xw6h | PyPI | jupyterhub | <0.9.6 | 0.9.6 |
| PYSEC-2026-2683 | PyPI | notebook | <5.7.8 | 5.7.8 |
| PYSEC-2026-647 | PyPI | jupyterhub | <0.9.6 | 0.9.6 |
References
- https://blog.jupyter.org/open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4
- https://github.com/jupyter/notebook/commit/08c4c898182edbe97aadef1815cce50448f975cb
- https://github.com/jupyter/notebook/commit/70fe9f0ddb3023162ece21fbb77d5564306b913b
- https://github.com/jupyter/notebook/commit/d65328d4841892b412aef9015165db1eb029a8ed
- https://github.com/jupyter/notebook/compare/05aa4b2...16cf97c