Path Traversal Vulnerability in 8nite Metatrader-4-MCP Software
CVE-2026-7627

5.3MEDIUM

Key Information:

Vendor

8nite

Status
Metatrader-4-mcp
Vendor
CVE Published:
2 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7627?

A security vulnerability exists in version 1.0.0 of 8nite Metatrader-4-MCP, specifically within the CallToolRequestSchema function in the software's src/index.ts file. This vulnerability arises due to improper handling of the 'ea_name' argument, allowing attackers to exploit path traversal issues. The flaw enables unauthorized access to system files, potentially leading to significant exploitation risks. Although the vulnerability has been publicly disclosed, the vendor has yet to address the issue despite being informed of it through an early issue report.

Affected Version(s)

metatrader-4-mcp 1.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7627 - Proof of Concept

References

https://vuldb.com/vuln/360573
vdb-entrytechnical-description
https://vuldb.com/vuln/360573/cti
signaturepermissions-required
https://vuldb.com/submit/806286
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

BruceJqs (VulDB User)
VulDB CNA Team
.