OS Command Injection Vulnerability in 1Panel-dev MaxKB Product
CVE-2026-6108

5.3MEDIUM

Key Information:

Vendor

1panel-dev

Status
Maxkb
Vendor
CVE Published:
12 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-6108?

A vulnerability in the 1Panel-dev MaxKB software allows remote execution of operating system commands via the Model Context Protocol Node. The flaw is located in the 'execute' function of the file apps/application/flow/step_node/mcp_node/impl/base_mcp_node.py. Given that this vulnerability has been disclosed publicly, it poses a significant risk to systems using versions up to 2.6.1. Users are urged to update immediately to the fixed version to mitigate any potential threats.

Affected Version(s)

MaxKB 2.6.0

MaxKB 2.6.1

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-2026-6108 - Proof of Concept

References

https://vuldb.com/vuln/356968
vdb-entrytechnical-description
https://vuldb.com/vuln/356968/cti
signaturepermissions-required
https://vuldb.com/submit/782279
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

Ana10gy (VulDB User)
VulDB CNA Team
.