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CVE-2026-5327

MEDIUM

6.3

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.

CVE Details

CVSS v3.1 Score6.3

SeverityMEDIUM

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/2/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-74CWE-77

References

https://github.com/efforthye/fast-filesystem-mcp/(cna@vuldb.com)

https://github.com/efforthye/fast-filesystem-mcp/issues/15(cna@vuldb.com)

https://github.com/user-attachments/files/25822878/fast-filesystem-mcp_bug.pdf(cna@vuldb.com)

https://vuldb.com/submit/780776(cna@vuldb.com)

https://vuldb.com/vuln/354658(cna@vuldb.com)

https://vuldb.com/vuln/354658/cti(cna@vuldb.com)

IOC Correlations

No correlations recorded

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