Medium

mcp-server-semgrep has a Command Injection issue

  • Disclosed: 30.04.2026
  • Updated: 11.10.2026 10:22

A vulnerability was detected in VetCoders mcp-server-semgrep 1.0.0. This affects the function analyze_results/filter_results/export_results/compare_results/scan_directory/create_rule of the file src/index.ts of the component MCP Interface. The manipulation of the argument ID results in os command injection. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 1.0.1 is able to mitigate this issue. The patch is identified as 141335da044e53c3f5b315e0386e01238405b771. It is advisable to upgrade the affected component.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package mcp-server-semgrep < 1.0.1 1.0.1

References

CVSS score 7.3/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-77
Platform
npm
Package
mcp-server-semgrep
Disclosed
30.04.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-86hp-qxqp-w9wv - CC BY 4.0

Vulnerability history: mcp-server-semgrep

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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