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  5. GHSA-h5v5-8746-g7mm

GHSA-h5v5-8746-g7mm: JupyterLab PluginManager lock-rule enforcement bypass

July 22, 2026

JupyterLab’s plugin manager exposes administrator controls intended to prevent users from enabling or disabling selected plugins. Two server-side enforcement gaps let an authenticated user bypass those controls with direct requests to /lab/api/plugins.

References

  • github.com/advisories/GHSA-h5v5-8746-g7mm
  • github.com/jupyterlab/jupyterlab/commit/be9303f5bcd5308eaeae953c5a3c903046682c2c
  • github.com/jupyterlab/jupyterlab/commit/f1beab4a2027af4719d6edc07d52d6cf5a39a432
  • github.com/jupyterlab/jupyterlab/pull/19184
  • github.com/jupyterlab/jupyterlab/pull/19185
  • github.com/jupyterlab/jupyterlab/pull/19186
  • github.com/jupyterlab/jupyterlab/releases/tag/v4.5.10
  • github.com/jupyterlab/jupyterlab/releases/tag/v4.6.2
  • github.com/jupyterlab/jupyterlab/security/advisories/GHSA-h5v5-8746-g7mm

Code Behaviors & Features

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Affected versions

All versions starting from 4.1.0 before 4.5.10, all versions starting from 4.6.0 before 4.6.2

Fixed versions

  • 4.5.10
  • 4.6.2

Solution

Upgrade to versions 4.5.10, 4.6.2 or above.

Impact 7.1 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Learn more about CVSS

Weakness

  • CWE-602: Client-Side Enforcement of Server-Side Security
  • CWE-863: Incorrect Authorization

Source file

pypi/jupyterlab/GHSA-h5v5-8746-g7mm.yml

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