RCE in 1panel-Dev Maxkb
CVE-2026-6108
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.015 (71.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- 1panel-dev Maxkb — versions 2.6.0, 2.6.1
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, vdb-entry)
- cna@vuldb.com (signature, permissions-required)
- cna@vuldb.com (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2026-6108?
- CVE-2026-6108 is a medium-severity vulnerability in 1panel-Dev Maxkb, classified under Command Injection. CVSS score: 6.3/10. Published 2026-04-12.
- How severe is CVE-2026-6108?
- Medium severity. CVSS v3 base score is 6.3 out of 10.