Jupyter Notebook Stored XSS (CVE-2026-40171) Steals Auth Tokens via Help Extension

github.com 2026-05-07查看中文 →

Security AdvisoryCVE-2026-40171HighJupyter

Affected:

@jupyter-notebook/help-extension >=7.0.0, <=7.5.5
@jupyterlab/help-extension <4.5.6
jupyterlab <4.5.6
notebook >=7.0.0, <=7.5.5

Fixed in:

7.5.6
4.5.7

Referenced CVEs: CVE-2026-40171

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