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Vulnerability · Published Apr 12, 2026 · Assigned by VulDB

CVE-2026-61081Panel-dev MaxKB Model Context Protocol Node base_mcp_node.py execute os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in MaxKB from 1Panel-dev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)1.5%top 26.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
1Panel-dev MaxKB 2.6.02.6.1

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References