Path Traversal Vulnerability in Mastergo Design's Magic MCP Tool
CVE-2026-15749

4.8MEDIUM

Key Information:

Vendor

Mastergo-design

Status
Mastergo-magic-mcp
Vendor
CVE Published:
14 July 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-15749?

A security flaw has been identified in the Magic MCP tool by Mastergo Design, specifically affecting version 0.2.0. The vulnerability arises from improper handling of the argument 'filePath' in the 'execute' function of the 'src/tools/get-c2d.ts' file, allowing for path traversal attacks. This could enable an attacker to manipulate file paths and potentially access sensitive data on the system. The exploit has been made public, and the Mastergo Design team has been informed about the issue but has yet to respond to remedy the situation.

Affected Version(s)

mastergo-magic-mcp 0.1

mastergo-magic-mcp 0.2.0

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-2026-15749 - Proof of Concept

References

https://vuldb.com/vuln/378328
vdb-entrytechnical-description
https://vuldb.com/vuln/378328/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-15749
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
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

Mcfly_Zhang (VulDB User)
VulDB CNA Team
.