Improper Handling of Case Sensitivity Affecting jupyterlab-git package, versions [,0.54.0)
Threat Intelligence
Exploit Maturity
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Proof of Concept
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Test your applications- Snyk IDSNYK-PYTHON-JUPYTERLABGIT-17391476
- published21 Jun 2026
- disclosed19 Jun 2026
- creditsysy
Introduced: 19 Jun 2026
NewCVE-2026-54528 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade jupyterlab-git to version 0.54.0 or higher.
Overview
jupyterlab-git is an A JupyterLab extension for version control using git
Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the prepare function due to improper enforcement of excluded directory paths on case-insensitive filesystems. An attacker can gain unauthorized read access to files and git history in directories that should be excluded by varying the case of the URL path segment.