Vulnerability Details CVE-2026-54528
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 20.5%
CVSS Severity
CVSS v3 Score 7.1
References
- https://github.com/jupyterlab/jupyterlab-git/commit/460035275b5963dc96e364e60ba6a73717fbd033
- https://github.com/jupyterlab/jupyterlab-git/releases/tag/v0.54.0
- https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-436q-jwfr-rm2h
- https://github.com/jupyterlab/jupyterlab-git/security/advisories/GHSA-436q-jwfr-rm2h
Products affected by CVE-2026-54528
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cpe:2.3:a:jupyter:jupyterlab-git:0.10.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.10.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.11.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.20.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.21.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.21.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.22.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.22.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.22.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.22.3
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cpe:2.3:a:jupyter:jupyterlab-git:0.23.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.23.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.23.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.23.3
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cpe:2.3:a:jupyter:jupyterlab-git:0.24.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.3.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.30.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.30.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.31.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.32.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.32.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.32.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.32.3
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cpe:2.3:a:jupyter:jupyterlab-git:0.32.4
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cpe:2.3:a:jupyter:jupyterlab-git:0.33.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.34.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.34.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.34.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.35.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.36.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.37.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.37.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.38.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.39.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.39.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.39.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.39.3
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cpe:2.3:a:jupyter:jupyterlab-git:0.4.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.4.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.4.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.4.4
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cpe:2.3:a:jupyter:jupyterlab-git:0.40.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.40.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.41.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.42.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.43.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.44.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.5.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.50.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.50.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.50.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.51.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.51.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.51.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.51.3
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cpe:2.3:a:jupyter:jupyterlab-git:0.51.4
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cpe:2.3:a:jupyter:jupyterlab-git:0.52.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.53.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.6.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.6.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.7.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.7.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.8
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cpe:2.3:a:jupyter:jupyterlab-git:0.8.1
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cpe:2.3:a:jupyter:jupyterlab-git:0.8.2
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cpe:2.3:a:jupyter:jupyterlab-git:0.9.0
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cpe:2.3:a:jupyter:jupyterlab-git:0.9.1