OS Command Injection Vulnerability in elgentos Magento2-Dev-MCP
CVE-2026-5603

4.8MEDIUM

Key Information:

Vendor

Elgentos

Status
Magento2-dev-mcp
Vendor
CVE Published:
5 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5603?

A critical vulnerability has been discovered in the elgentos Magento2-Dev-MCP up to version 1.0.2, specifically in the executeMagerun2Command function located in src/index.ts. This vulnerability allows for OS command injection, potentially enabling attackers to execute arbitrary commands on the system. An exploit must be executed locally, and there is a publicly available exploit that poses a risk to users. It is essential to apply the provided patch (aa1ffcc0aea1b212c69787391783af27df15ae9d) to remedy this security flaw and protect your systems from potential breaches.

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Affected Version(s)

magento2-dev-mcp 1.0.0

magento2-dev-mcp 1.0.1

magento2-dev-mcp 1.0.2

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-2026-5603 - Proof of Concept

References

https://vuldb.com/vuln/355395
vdb-entrytechnical-description
https://vuldb.com/vuln/355395/cti
signaturepermissions-required
https://vuldb.com/submit/784864
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

Yinci Chen (VulDB User)
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