Threats Tagged 'ghsa-89vp-jrxv-24w8'
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Threats Tagged 'ghsa-89vp-jrxv-24w8'
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JupyterLab: PyPI extension blocklist package-name canonicalization bypass 0 JupyterLab's PyPI extension manager has a vulnerability in its blocklist enforcement due to weaker string normalization compared to PyPI package-name canonicalization. An authenticated user can bypass blocklist restrictions by requesting a PyPI-equivalent package name variant, allowing installation of otherwise blocked packages. This affects deployments using custom allow/block lists with the default PyPI Extension Manager enabled and kernels/terminals disabled or remote. The vulnerability enables untrusted users to impact the integrity and availability of their single-user jupyter-server instance by installing arbitrary extensions, though it does not grant new read access to other users' data. Join the discussion | GCVE Database | 07/22/2026, 23:14:27 UTC Added: 07/23/2026, 01:18:03 UTC |
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