Critical

JupyterLab extension template is a `copier` template for JupyterLab extensions. Repositories created using this template with `test` option include `update-integration-tests.yml` workflow which has a

  • Disclosed: 16.07.2024
  • Updated: 11.10.2026 14:17

JupyterLab extension template is a copier template for JupyterLab extensions. Repositories created using this template with test option include update-integration-tests.yml workflow which has an RCE vulnerability. Extension authors hosting their code on GitHub are urged to upgrade the template to the latest version. Users who made changes to update-integration-tests.yml, accept overwriting of this file and re-apply your changes later. Users may wish to temporarily disable GitHub Actions while working on the upgrade. We recommend rebasing all open pull requests from untrusted users as actions may run using the version from the main branch at the time when the pull request was created. Users who are upgrading from template version prior to 4.3.0 may wish to leave out proposed changes to the release workflow for now as it requires additional configuration.

Affected software

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PlatformPackageVulnerable versionsFixed in
Python (PyPI) jupyterlab < 4.3.0 4.3.0

References

CVSS score 9.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
-
Platform
Python (PyPI)
Package
jupyterlab
Disclosed
16.07.2024
Updated
11.10.2026 14:17

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2024-322 - PyPA Advisory Database; CC BY 4.0

Vulnerability history: jupyterlab

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 (19) in the archive
Total entries
19
First → latest
08.2021 10.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 1
  • High 8
  • Medium 8
  • Low 2

Disclosures per year

  1. 2021: 1
  2. 2022: 0
  3. 2023: 0
  4. 2024: 4
  5. 2025: 1
  6. 2026: 13
Severity:
  1. High · 8.1 CVE-2026-102831 >= 4.5.0, < 4.5.11, >= 4.6.0, < 4.6.4 4.5.11, 4.6.4
  2. High CVE-2026-73417 >= 4.6.0, < 4.6.2, >= 3.3.0, < 4.5.10 4.6.2, 4.5.10
  3. High CVE-2026-73415 >= 4.6.0, < 4.6.2, < 4.5.10 4.6.2, 4.5.10
  4. High · 7.6 CVE-2024-43805 < 3.6.8, >= 4.0.0, < 4.2.5 3.6.8, 4.2.5
  5. JupyterLab extension template is a `copier` template for JupyterLab extensions. Repositories created using this template with `test` option include `update-integration-tests.yml` workflow which has a this entry
    Critical · 9.8 CVE-2024-39700 < 4.3.0 4.3.0
  6. High · 7.6 CVE-2024-22421 >= 4.0.0, < 4.0.11, < 3.6.7 4.0.11, 3.6.7

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