Command Injection Vulnerability in Tufantunc SSH-MCP Product by Tufantunc
CVE-2026-7039

8.5HIGH

Key Information:

Vendor

Tufantunc

Status
Ssh-mcp
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7039?

A security flaw has been identified in the Tufantunc SSH-MCP application, specifically in the 'shell.write' function located in src/index.ts. This vulnerability allows for command injection through manipulated arguments, enabling attackers to execute unauthorized commands locally. Despite early notification to the project team regarding this issue, a fix has yet to be communicated. The vulnerability has been publicly disclosed, raising concerns about potential exploitation.

Affected Version(s)

ssh-mcp 1.0

ssh-mcp 1.1

ssh-mcp 1.2

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-2026-7039 - Proof of Concept

References

https://vuldb.com/vuln/359619
vdb-entrytechnical-description
https://vuldb.com/vuln/359619/cti
signaturepermissions-required
https://vuldb.com/submit/798528
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
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

BlackBird_BB (VulDB User)
VulDB CNA Team
.