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Vulnerability record · CVE-2024-22420 · published 19 January 2024

CVE-2024-22420: Jupyterlab cross-site scripting vulnerability

Jupyter · Jupyterlab

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

6.1 CVSS 3.1 Medium EPSS 0.57% · top 54.9% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score
0.57%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability depends on user interaction by opening a malicious Markdown file using JupyterLab preview feature. A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user. JupyterLab version 4.0.11 has been patched. Users are advised to upgrade. Users unable to upgrade should disable the table of contents extension.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jupyterlab/jupyterlab/commit/e1b3aabab603878e46add445a3114e838411d2df Patch
https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4m77-cmpx-vjc4 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/UQJKNRDRFMKGVRIYNNN6CKMNJ Mailing ListThird Party Advisory
https://github.com/jupyterlab/jupyterlab/commit/e1b3aabab603878e46add445a3114e838411d2df Patch
https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4m77-cmpx-vjc4 Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/UQJKNRDRFMKGVRIYNNN6CKMNJ Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2024-22420), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.