Vulnerability · Published May 2, 2026 · Assigned by VulDB

CVE-2026-7642pskill9 website-downloader MCP index.ts download_website os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in website-downloader from pskill9. 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 26.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
pskill9	website-downloader	0.1.0

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:X/RC:R

References

VDB-360754 | pskill9 website-downloader MCP index.ts download_website os command injection vdb-entry, technical-description
VDB-360754 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
Submit #806812 | pskill9 website-downloader Commit 5b399bebad1800ac6df5052b63eaea37117092b6 Command Injection third-party-advisory
https://github.com/pskill9/website-downloader/issues/7 issue-tracking
https://github.com/BruceJqs/public_exp/issues/31 exploit, issue-tracking
https://github.com/pskill9/website-downloader/ product