Low

yii2-mcp-server has a Command Injection Issue

  • Disclosed: 02.05.2026
  • Updated: 11.10.2026 10:22

A flaw has been found in ArtMin96 yii2-mcp-server 1.0.2. This impacts the function yii_command_help/yii_execute_command of the file src/index.ts of the component MCP Interface. Executing a manipulation can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package yii2-mcp-server <= 1.0.2 no fix

References

CVSS score 6.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-77
Platform
npm
Package
yii2-mcp-server
Disclosed
02.05.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-gc8w-x73w-p4rh - CC BY 4.0

Vulnerability history: yii2-mcp-server

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

This is the only known vulnerability of this package.

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