CVE-2026-5327

LOW EPSS 61.8%
Published Apr 2, 20262mo ago · Modified Jun 17, 20261w ago
2.1 CVSS 4.0
Low
Find Similar
Published Apr 2, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
2.1
Exploitability
Impact
Vector string
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

Threat Intelligence

EPSS Exploit Probability
61.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-74
CWE-77 Command Injection Injection

References 6

  • github.com https://github.com/efforthye/fast-filesystem-mcp/
  • github.com https://github.com/efforthye/fast-filesystem-mcp/issues/15
  • github.com https://github.com/user-attachments/files/25822878/fast-filesystem-mcp_bug.pdf
  • vuldb.com https://vuldb.com/submit/780776
  • vuldb.com https://vuldb.com/vuln/354658
  • vuldb.com https://vuldb.com/vuln/354658/cti

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.