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Medium

Open Redirect vulnerability in jupyterhub and notebook

  • Disclosed: 02.04.2019
  • Updated: 11.10.2026 14:18

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 software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) jupyterhub < 0.9.6 0.9.6
Python (PyPI) notebook < 5.7.8 5.7.8

References

CVSS score 6.1/10
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness (CWE)
CWE-601
Platform
Python (PyPI)
Package
jupyterhub, notebook
Disclosed
02.04.2019
Updated
11.10.2026 14:18

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2026-2683 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-rv62-4pmj-xw6h - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2026-647 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: notebook

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (21) in the archive
Total entries
21
First → latest
09.2015 10.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 8
  • Medium 11
  • Low 1

Disclosures per year

earlier: 2

Severity:
  1. JupyterLab: Cross-site scripting (XSS) in JupyterLab via notebook cells pasted from the system clipboard
    High · 8.1 CVE-2026-102831 >= 7.5.0, < 7.6.3 7.6.3
  2. JupyterLab's command linker attributes in HTML enable one-click command execution from untrusted content
    High · 9.6 CVE-2026-42557 >= 7.0.0, < 7.5.6 7.5.6
  3. Jupyter Notebook Vulnerable to Authentication Token Theft via CommandLinker XSS
    High CVE-2026-40171 >= 7.0.0, < 7.5.6 7.5.6
  4. HTML injection in Jupyter Notebook and JupyterLab leading to DOM Clobbering
    High · 7.6 CVE-2024-43805 >= 7.0.0, < 7.2.2 7.2.2
  5. JupyterLab vulnerable to potential authentication and CSRF tokens leak
    High · 7.6 CVE-2024-22421 >= 7.0.0, < 7.0.7 7.0.7
  6. The Jupyter notebook is a web-based notebook environment for interactive computing. Prior to version 6.4.9, unauthorized actors can access sensitive information from server logs. Anytime a 5xx error i
    High · 7.5 CVE-2022-24758 < 6.4.10 6.4.10
  7. Special Element Injection in notebook
    High · 10.0 CVE-2021-32798 < 5.7.11, >= 6.0.0, < 6.4.1 5.7.11, 6.4.1
  8. Open Redirect vulnerability in jupyterhub and notebook this entry
    Medium · 6.1 CVE-2019-10255 < 5.7.8 5.7.8
  9. Jupyter Notebook file bypasses sanitization, executes JavaScript
    High · 7.8 CVE-2018-8768 < 5.4.1 5.4.1
  10. Improper Input Validation in Jupyter Notebook
    Critical · 9.8 CVE-2015-7337 >= 4.0.0, < 4.0.5 4.0.5

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