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CVE-2026-54528

HIGH
7.1
CVSS 3.1
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.

Metadata

CVE ID
CVE-2026-54528
State
PUBLISHED
Assigner
GitHub_M
Reserved
2026-06-15 18:40 UTC
Published
2026-07-08 21:04 UTC
Last updated
2026-07-08 21:04 UTC
Primary CWE
CWE-178
CWE-178: Improper Handling of Case Sensitivity
Vendor / Product
jupyterlab / jupyterlab-git
Sources
cve.org  ·  NVD

Severity & Metrics

7.1 HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Affected products (1)
VendorProductPlatformVersions
jupyterlab jupyterlab-git — < 0.54.0
Weakness (CWE)
CWESourceDescription
CWE-178 cna CWE-178: Improper Handling of Case Sensitivity
CVSS scores (1)
ScoreSeverityVersionSourceVector
7.1 HIGH 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
References (3)
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