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6.0 Medium

CVE-2026-73627 JupyterLab (pip package 'jupyterlab') versions…

Description

JupyterLab (pip package 'jupyterlab') versions >=4.1.0,<=4.5.9 and >=4.6.0,<=4.6.1 contain a plugin manager lock-rule enforcement bypass. Two server-side enforcement gaps allow an authenticated user to circumvent administrator lock rules by making direct requests to the /lab/api/plugins endpoint, enabling or disabling plugins that were locked — including child plugins of multi-plugin extensions and plugins locked via the 'lock all' mechanism. This can impact data integrity and bypass hardening or restrictions (e.g., download/upload limits) implemented through locked plugins. Fixed in versions 4.6.2 and 4.5.10.

Affected products and versions

Product Affected versions Fixed in
jupyterlab 4.1 4.1.0 → 4.5.9 No fix stated

References

Timeline

  1. Published
  2. Last modified

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