Jupyter Notebook and Nextcloud Server hit by critical vulnerabilities

A Cross Site Scripting flaw affects Jupyter Notebook via its Help extension.

Published 7sem1 sourceImportantupdated 3sem

≈ 18sSpeed

The fact

The vulnerability allows executing JavaScript code within the website's context.

Nextcloud Server also faces a risk of user access through session ID bypass.

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Auto-synthesis from 1 media source · identified on July 13, 2026