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CVE-2026-54528

jupyterlab-git excluded_paths Case-Sensitivity Bypass Allows Reading Excluded Directories PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
jupyterlab / jupyterlab-gitaffected < 0.54.0

CWE

CWE-178

References

ADP enrichment

CISA-ADP

No English description supplied.