CVE-2026-40171: Improper Neutralization of Input During Web Page Generation

In Jupyter Notebook versions 7.0.0 through 7.5.5, JupyterLab versions 4.5.6 and earlier, and the corresponding @jupyter-notebook/help-extension and @jupyterlab/help-extension packages before 7.5.6 and 4.5.7, a stored cross-site scripting issue in the help command linker can be chained with...

Open Redirect

Overview @jupyter-notebook/help-extension is a Jupyter Notebook - Help Extension Affected versions of this package are vulnerable to Open Redirect in the CommandLinker class. An attacker can steal authentication tokens and gain unauthorized access to user accounts by convincing a user to open a...

Open Redirect

Overview notebook is a web application that allows you to create and share documents that contain live code, equations, visualizations, and explanatory text. Affected versions of this package are vulnerable to Open Redirect in the CommandLinker class. An attacker can steal authentication tokens a...