High

Execution with Unnecessary Privileges in JupyterApp

  • Disclosed: 26.10.2022
  • Updated: 11.10.2026 12:19

Impact

What kind of vulnerability is it? Who is impacted? We’d like to disclose an arbitrary code execution vulnerability in jupyter_core that stems from jupyter_core executing untrusted files in the current working directory. This vulnerability allows one user to run code as another.

Patches

Has the problem been patched? What versions should users upgrade to? Users should upgrade to jupyter_core>=4.11.2.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading? No

References

Are there any links users can visit to find out more? Similar advisory in IPython

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Python (PyPI) jupyter-core < 4.11.2 4.11.2

References

CVSS score 8.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-250, CWE-269, CWE-427
Platform
Python (PyPI)
Package
jupyter-core
Disclosed
26.10.2022
Updated
11.10.2026 12:19

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2022-42974 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-m678-f26j-3hrp - CC BY 4.0

Vulnerability history: jupyter-core

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

Total entries
2
First → latest
10.2022 06.2025
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 2

Disclosures per year

  1. 2022: 1
  2. 2023: 0
  3. 2024: 0
  4. 2025: 1
  5. 2026: 0
  1. Execution with Unnecessary Privileges in JupyterApp this entry
    High · 8.8 CVE-2022-39286 < 4.11.2 4.11.2

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application
DockRay newsletter

Application security in your inbox

Important vulnerabilities, actionable guidance and practical advice for your applications. Choose your technologies and follow what matters to your project.

  • A daily digest of new vulnerabilities, critical ones included.
  • Notifications about important updates.
  • Practical advice on application security and monitoring.

Leave empty to receive updates for every technology.

Free to subscribe. Unsubscribe with one click in any email.