CVE-2026-5327

| EUVD-2026-18202 MEDIUM
2026-04-02 VulDB
5.3
CVSS 4.0
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CVSS Vector

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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
PoC Detected
Apr 03, 2026 - 16:10 vuln.today
Public exploit code
Analysis Generated
Apr 02, 2026 - 12:00 vuln.today
EUVD ID Assigned
Apr 02, 2026 - 12:00 euvd
EUVD-2026-18202
CVE Published
Apr 02, 2026 - 11:45 nvd
MEDIUM 5.3

Tags

Command Injection

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.

Analysis

Command injection in efforthye fast-filesystem-mcp up to version 3.5.1 allows authenticated remote attackers to execute arbitrary system commands via the handleGetDiskUsage function in src/index.ts. The vulnerability has a CVSS score of 6.3 (medium) with publicly available exploit code and no vendor patch released despite early notification through issue tracking. …

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Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.9
CVSS: +26
POC: +20

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CVE-2026-5327 vulnerability details – vuln.today
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