CVE-2026-6108CWE-77CWE-78

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

Medium · published April 12, 2026

CVSS v4.0
5.3
EPSS
2%
Percentile
77.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
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
EPSS
0.01768 · 77.9th percentile
Weaknesses
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection'); CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-04-12T01:00Z
EPSS history
Timeline
  • 12 APR 01:00Z
    1Panel-dev MaxKB Model Context Protocol Node base_mcp_node.py execute os command injection
    cvelistv5