Vulnerability PYSEC-2026-2683

Medium Risk
MEDIUM RISK
CVSS Score: 6.1
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
2 months ago
July 09, 2026 at 04:49 PM UTC
Open Redirect vulnerability in jupyterhub and notebook
0.0.0 - 5.7.6
0.0.0 - 5.7.6

Summary

Open Redirect vulnerability in jupyterhub and notebook

Details

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.

Impacted packages

Timeline

Published
2 months ago
July 09, 2026 at 04:49 PM UTC
Fixed (5.7.8)
7 years ago
April 01, 2019 at 10:26 AM UTC
Last Modified
2 months ago
July 13, 2026 at 04:43 PM UTC