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5.3
1Panel-dev MaxKB: Remote Code Execution in MCP Node
CVE-2026-6108
Summary
An attacker can execute arbitrary system commands on a vulnerable system using the 1Panel-dev MaxKB MCP Node, which can lead to unauthorized access and data theft. This vulnerability allows an attacker to take control of the system remotely, so it's essential to update to the latest fixed version as soon as possible. The vendor has already released a patched version, so you should upgrade to the latest version to ensure your system is secure.
Original title
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 M...
Original description
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.
nvd CVSS2.0
6.5
nvd CVSS3.1
6.3
nvd CVSS4.0
5.3
Vulnerability type
CWE-77
Command Injection
CWE-78
OS Command Injection
Published: 12 Apr 2026 · Updated: 12 Apr 2026 · First seen: 12 Apr 2026