Skip to content
Every CVE
Browse
Docs
Sources
Guide
Search
/
Get
API key
Every CVE
Packages
@jupyter-notebook/help-extension
@jupyter-notebook/help-extension vulnerabilities (npm)
1 vulnerability.
@jupyter-notebook/help-extension
npm
Jupyter Notebook and JupyterLab token theft via stored XSS in help command linker
CVE-2026-40171
Fix available
8.4
High
April 30, 2026
esc
Pages
All vulnerabilities
Browse
Docs
Sources
Guide
Get API key
Move
Enter
Open