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High

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

  • Disclosed: 31.03.2022
  • Updated: 11.10.2026 12:19

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 is triggered, the auth cookie and other header values are recorded in Jupyter server logs by default. Considering these logs do not require root access, an attacker can monitor these logs, steal sensitive auth/cookie information, and gain access to the Jupyter server. Jupyter notebook version 6.4.x contains a patch for this issue. There are currently no known workarounds.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) notebook < 6.4.10 6.4.10

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-532
Platform
Python (PyPI)
Package
notebook
Disclosed
31.03.2022
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - GHSA-m87f-39q9-6f55 - CC BY 4.0

OSV / GitHub Advisory Database - PYSEC-2022-180 - 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 this entry
    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. Jupyter Notebook file bypasses sanitization, executes JavaScript
    High · 7.8 CVE-2018-8768 < 5.4.1 5.4.1
  9. 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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