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Vulnerabilities

Vulnerability · CVE-2024-39700

JupyterLab extension template is a template for JupyterLab extensions.

Published Jul 16, 2024 · catalog updated Nov 3, 2026 · JupyterLab extension template is

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2024-39700. EPSS is 1.09%. Act only if a listed version of JupyterLab extension template is is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (JupyterLab extension template is).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.09%
Remediation
Version ranges on file
Affected products
cpe jupyter/jupyterlab

JupyterLab extension template is a template for JupyterLab extensions. Repositories created using this template with option include 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 , 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 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe jupyter/jupyterlab< 4.3.0

How to fix CVE-2024-39700

  • Upgrade

    CVE-2024-39700 lists a fix boundary at 4.3.0. Compare the installed build with that boundary before you change production.

  • Version check

    Affected < 4.3.0

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2024-39700. EPSS is 1.09%. Act only if a listed version of JupyterLab extension template is is installed.

Which versions are affected?

Compare what you have installed with < 4.3.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-94: Code Injection. EPSS 1.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 16, 2024 · NIST NVD

    Detected

    JupyterLab extension template is a template for JupyterLab extensions. Repositories created using this template with option include 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 , accept overwriting of this file and re-apply your changes later. Users may wish to temporarily

  2. Nov 3, 2026 · NIST NVD

    Updated

    JupyterLab extension template is a template for JupyterLab extensions. Repositories created using this template with option include 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 , accept overwriting of this file and re-apply your changes later. Users may wish to temporarily

Sources

  • CVE.orgVulnerability recordCVE-2024-39700

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2024-39700

    JupyterLab extension template is a template for JupyterLab extensions. Repositories created using this template with option include workflow which has an RCE vulnerability. Extension authors hosting their code on GitHub are urged to

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • NIST NVDNov 4, 2026