CVE Watch29 sept 2026

CVE-2026-102831

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

CVSS

8.1

Alto

EPSS

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KEV

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Exploit Today

0-100

Publicado: 29 sept 2026 · Última mod.: 29 sept 2026 · CWE-79 · CWE-345

EPSS · 30d

Sin historial EPSS suficiente todavía.

Descripción técnica

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.5.0 until 4.5.11 and 4.6.4, from Notebook 7.5.0 until 7.6.3, and from JupyterLite Core 0.7.0 until 0.8.4, the system clipboard cell-paste path accepts attacker-controlled cell JSON without clearing metadata.trusted. When useSystemClipboardForCells is active and pasteCodeCellsWithoutOutput is disabled, a pasted code cell can mark HTML output as trusted, bypass output sanitization, and execute script in the authenticated JupyterLab origin without executing the cell. Markdown and raw cells are not affected because their output is sanitized. This issue is fixed in JupyterLab 4.5.11 and 4.6.4, Notebook 7.6.3, and JupyterLite Core 0.8.4.

Referencias oficiales

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