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Jupyterlab
Help-extension
Jupyterlab Help-extension vulnerabilities
jupyter
notebook
,
jupyter-notebook
help-extension
,
jupyterlab
+2 more
Jupyter Notebook and JupyterLab token theft via stored XSS in help command linker
CVE-2026-40171
Fix available
8.4
High
April 30, 2026
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