CVE-2026-102904

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook Architecture. From JupyterLab 4.0.0 until 4.5.11 and 4.6.4, the PyPI Extension Manager uninstall request reaches ExtensionHandler.post, which validates extension names for installatio...

CVE-2026-102904

In JupyterLab versions 4.0.0 through 4.5.11 and 4.6.4, an argument injection vulnerability exists in the PyPI Extension Manager . The ExtensionHandler.post method validates names for installation but fails to reject option-like values during uninstallation, passing them directly to PyPIExtensionM...