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CVE-2026-54528

nvd nist
Published: Jul 8, 2026Modified: Jul 15, 2026

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7.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Exploitability: 2.8 / Impact: 4.2
Source: security-advisories@github.com (Secondary)

Description

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.

Affected (1)

Jupyter
1 product
Jupyterlab Git
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Jupyterlab Git
Before 0.54.0

Related CWEs

CWE-178
Improper Handling of Case Sensitivity
The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results.

References (4)

Source: security-advisories@github.com
Patch
Source: security-advisories@github.com
Release Notes
Source: security-advisories@github.com
ExploitVendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
ExploitVendor Advisory

Timeline

No history available yet.