GHSA-5226-3rvg-hp4x

Source

https://github.com/advisories/GHSA-5226-3rvg-hp4x

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-5226-3rvg-hp4x/GHSA-5226-3rvg-hp4x.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-5226-3rvg-hp4x

Aliases

CVE-2026-5327

Published

2026-04-02T12:31:05Z

Modified

2026-04-04T05:47:40.531316Z

Severity

6.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
2.1 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P CVSS Calculator

Summary

fast-filesystem-mcp is vulnerable to command injection through handleGetDiskUsage function

Details

A security flaw has been discovered in efforthye fast-filesystem-mcp up to 3.5.1. The affected element is the function handleGetDiskUsage of the file src/index.ts. Performing a manipulation results in command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Database specific

{
    "severity": "LOW",
    "cwe_ids": [
        "CWE-74"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-04T05:39:06Z",
    "nvd_published_at": "2026-04-02T12:16:21Z"
}

References

Affected packages

npm / fast-filesystem-mcp

Package

Name: fast-filesystem-mcp; View open source insights on deps.dev
Purl: pkg:npm/fast-filesystem-mcp

Affected ranges

Type: SEMVER
Events: Introduced

0Unknown introduced version / All previous versions are affected

Last affected

3.5.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/04/GHSA-5226-3rvg-hp4x/GHSA-5226-3rvg-hp4x.json"