JupyterLab vulnerable to SXSS in Markdown Preview
Impact
The vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or 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.
Patches
JupyterLab v4.0.11 was patched.
Workarounds
Users can either disable the table of contents extension by running:
jupyter labextension disable @jupyterlab/toc-extension:registryReferences
Vulnerability reported via the bug bounty program sponsored by the European Commission and hosted on the Intigriti platform.
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | jupyterlab | >= 4.0.0, < 4.0.11 | 4.0.11 |
| Python (PyPI) | notebook | >= 7.0.0, < 7.0.7 | 7.0.7 |
Referencias
- https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4m77-cmpx-vjc4
- https://nvd.nist.gov/vuln/detail/CVE-2024-22420
- https://github.com/jupyterlab/jupyterlab/commit/dda0033cd49449572d077bbecd33b18d8d05f48a
- https://github.com/jupyterlab/jupyterlab/commit/e1b3aabab603878e46add445a3114e838411d2df
- https://github.com/jupyterlab/jupyterlab
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQJKNRDRFMKGVRIYNNN6CKMNJDNYWO2H
- https://pypi.org/project/notebook
- https://github.com/advisories/GHSA-4m77-cmpx-vjc4
- https://pypi.org/project/jupyterlab
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N- Debilidad (CWE)
CWE-79- Plataforma
- Python (PyPI)
- Paquete
jupyterlab, notebook- Publicada
- 19.01.2024
- Actualizado
- 11.10.2026 15:17
Fuentes y licencias
OSV / GitHub Advisory Database - PYSEC-2026-1707 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - PYSEC-2026-2535 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-4m77-cmpx-vjc4 - CC BY 4.0
Historial de vulnerabilidades: notebook
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 21
- Primera → última
- 09.2015 10.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 1
- Alta 8
- Media 11
- Baja 1
Divulgaciones por año
- 2017: 0
- 2018: 3
- 2019: 4
- 2020: 1
- 2021: 2
- 2022: 2
- 2023: 0
- 2024: 3
- 2025: 0
- 2026: 4
antes: 2
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JupyterLab vulnerable to SXSS in Markdown Preview esta entrada
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