CVE-2026-5327
Medium
Description
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.
SeverityMedium
CVSS6.3
Exploit probability—
ProductFast-filesystem-mcp
PublishedApr 2, 2026
First seenApr 2, 2026
Weakness typeCWE-77Command injectionCWE-74Injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fast-filesystem-mcpnpm | v ≤ 3.5.0 | — |
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