CVE-2026-7642CWE-77CWE-78

pskill9 website-downloader MCP index.ts download_website os command injection

Medium · published May 2, 2026

CVSS v4.0
5.3
EPSS
2%
Percentile
78.5
In the wild
Unconfirmed
What it is

A vulnerability was detected in pskill9 website-downloader up to 0.1.0. This affects the function download_website of the file src/index.ts of the component MCP Interface. Performing a manipulation of the argument outputPath results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

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
0.01817 · 78.5th 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
2026-05-02T14:30Z
EPSS history
Timeline
  • 02 MAY 14:30Z
    pskill9 website-downloader MCP index.ts download_website os command injection
    cvelistv5