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CVE-2026-54528

7.1 high SSVC exploitation: poc Analyzed
NVD · CVE.org

JupyterLab Git is a Git extension for JupyterLab. Prior to 0.54.0, jupyterlab-git uses fnmatch.fnmatchcase() in GitHandler.prepare() in jupyterlab_git/handlers.py to enforce excluded_paths, allowing an authenticated user on a case-insensitive filesystem to vary URL path casing and read excluded directories. This issue is fixed in version 0.54.0.

Fix

Patch, vendor advisory and mitigation references on NVD 3

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 7.1 · jupyterNVD modified 2026-10-25 17:10

Affected (CPE criteria) 1

  • cpe:2.3:a:jupyter:jupyterlab-git:*:*:*:*:*:*:*:*

References 4