CVE•Published 2026-07-08•Modified 2026-07-15•0 articles on news•4 live references•NVD data

CVE-2026-54528Jupyter · Jupyterlab-git

Vulnerability data via NVD (ingested)

CVSS v3.1

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 80% of all CVEs

Weaknesses (CWE)

CWE-178Improper Handling of Case Sensitivity

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.

Timeline

Published 2026-07-08

Modified 2026-07-15

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-54528

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Jupyter Jupyterlab-git"

All exposed Jupyter Jupyterlab-git instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Jupyterlab-git"

HTTP body or banner mentions "Jupyterlab-git" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-54528