PYSEC-2026-1707
JupyterLab vulnerable to SXSS in Markdown Preview
상세
### 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:
```bash jupyter labextension disable @jupyterlab/toc-extension:registry ```
### References
Vulnerability reported via the [bug bounty program](https://app.intigriti.com/programs/jupyter/jupyter/detail) [sponsored by the European Commission](https://commission.europa.eu/news/european-commissions-open-source-programme-office-starts-bug-bounties-2022-01-19_en) and hosted on the [Intigriti platform](https://www.intigriti.com/).
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참고
- https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-4m77-cmpx-vjc4 [WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2024-22420 [ADVISORY]
- https://github.com/jupyterlab/jupyterlab/commit/dda0033cd49449572d077bbecd33b18d8d05f48a [WEB]
- https://github.com/jupyterlab/jupyterlab/commit/e1b3aabab603878e46add445a3114e838411d2df [WEB]
- https://github.com/jupyterlab/jupyterlab [PACKAGE]
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQJKNRDRFMKGVRIYNNN6CKMNJDNYWO2H [WEB]
- https://pypi.org/project/notebook [PACKAGE]
- https://github.com/advisories/GHSA-4m77-cmpx-vjc4 [ADVISORY]