Command Injection Vulnerability in ChrisChinchilla Vale-MCP HTTP Component
CVE-2026-5621

4.8MEDIUM

Key Information:

Vendor

Chrischinchilla

Status
Vale-mcp
Vendor
CVE Published:
6 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-5621?

A command injection vulnerability exists in the HTTP Interface of ChrisChinchilla Vale-MCP, specifically in the src/index.ts file. The vulnerability is triggered by manipulating the config_path argument, allowing attackers to execute arbitrary operating system commands. This exploitation requires local access, and although the vendor was informed of this issue, there has been no response. As this exploit has been publicly disclosed, it poses a risk to users of the affected product.

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Affected Version(s)

Vale-MCP 0.1.0

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-2026-5621 - Proof of Concept

References

https://vuldb.com/vuln/355411
vdb-entrytechnical-description
https://vuldb.com/vuln/355411/cti
signaturepermissions-required
https://vuldb.com/submit/785591
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

BruceJin (VulDB User)
VulDB CNA Team
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