CVE Watch28 ago 2026

CVE-2026-42266

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.0.0 t

CVSS

8.8

Alto

EPSS

5.7%

p93

KEV

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Exploit Today

0-100

Publicado: 13 may 2026 · Última mod.: 28 ago 2026 · CWE-88 · CWE-602

EPSS · 30d

0.9%EPSS · 30 días5.7%

2026-10-062026-11-02

Descripción técnica

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From 4.0.0 to 4.5.6, the allow-list of extensions that can be installed from PyPI Extension Manager (allowed_extensions_uris) is not correctly enforced by JupyterLab. The PyPI Extension Manager was not contained to packages listed on the default PyPI index. This vulnerability is fixed in 4.5.7.

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