CVE-2026-6108 MEDIUM

CVE-2026-6108: 1Panel-dev MaxKB Model Context Protocol Node base_mcp_node.py execute os command injection

Vendor 1Panel-Dev
Product MaxKB
Weakness CWE-78
Published April 12, 2026
Last update April 14, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was found in 1Panel-dev MaxKB up to 2.6.1. The affected element is the function execute of the file apps/application/flow/step_node/mcp_node/impl/base_mcp_node.py of the component Model Context Protocol Node. Performing a manipulation results in os command injection. The attack is possible to be carried out remotely. The exploit has been made public and could be used. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Key dates

02Disclosure timeline

April 12, 2026 CVE published
April 14, 2026 Record updated