CVE-2026-54528 Vulnerability Analysis & Exploit Details

CVE-2026-54528
Vulnerability Scoring

7.1
/10
Very High Risk

Highly exploitable, CVE-2026-54528 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-54528 Details

Status: Analyzed

Last updated: 🕣 15 Jul 2026, 20:42 UTC
Originally published on: 🕘 08 Jul 2026, 21:16 UTC

Time between publication and last update: 6 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-54528 Vulnerability Summary

CVE-2026-54528: 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.

Assessing the Risk of CVE-2026-54528

Access Complexity Graph

The exploitability of CVE-2026-54528 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-54528

CVE-2026-54528 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-54528, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-54528, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-54528 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: Low
    Exploiting CVE-2026-54528 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-54528 does not impact system availability.

CVE-2026-54528 References

External References

CWE Common Weakness Enumeration

CWE-178

Vulnerable Configurations

  • cpe:2.3:a:jupyter:jupyterlab-git:0.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.6.1:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.6.1:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.6.1:alpha0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.6.1:alpha0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.8:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.8.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.8.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.8.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.8.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.9.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.9.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.9.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.9.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.9.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.9.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.10.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.10.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.10.1:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.10.1:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.10.1:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.10.1:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.11.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.20.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.20.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.20.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.20.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:alpha0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:alpha0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.21.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.21.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.21.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.22.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.22.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.22.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.22.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.22.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.22.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.22.3:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.22.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.23.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.23.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.23.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.23.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.23.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.23.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.23.3:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.23.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.24.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.24.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta3:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.30.0:beta3:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.30.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.30.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.31.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.31.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.31.0:alpha0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.31.0:alpha0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.32.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.32.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.32.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.32.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.32.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.32.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.32.3:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.32.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.32.4:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.32.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.33.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.33.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.34.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.34.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.34.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.34.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.34.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.34.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.35.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.35.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.36.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.36.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.37.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.37.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.37.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.37.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.38.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.38.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.39.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.39.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.39.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.39.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.39.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.39.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.39.3:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.39.3:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.40.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.40.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.40.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.40.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.41.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.41.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.42.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.42.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.42.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.42.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.43.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.43.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.44.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.44.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha1:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha2:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.0:alpha2:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.50.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.50.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.51.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.51.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.51.1:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.51.1:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.51.2:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.51.2:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.51.3:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.51.3:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.51.4:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.51.4:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.52.0:*:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.52.0:*:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:-:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:-:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:alpha0:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:alpha0:*:*:*:*:*:*
  • cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:alpha1:*:*:*:*:*:*
    cpe:2.3:a:jupyter:jupyterlab-git:0.53.0:alpha1:*:*:*:*:*:*

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