RCE in Pskill9 Website-Downloader
CVE-2026-7642
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.018 (78.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.018 · change: +0.005
Affected products
- Pskill9 Website-Downloader — versions 0.1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/360754 (technical-description, vdb-entry)
- vuldb.com/vuln/360754/cti (signature, permissions-required)
- vuldb.com/submit/806812 (third-party-advisory)
- github.com/pskill9/website-downloader/issues/7 (issue-tracking)
- github.com/BruceJqs/public_exp/issues/31 (issue-tracking, exploit)
- github.com/pskill9/website-downloader/ (product)
Frequently asked questions
- What is CVE-2026-7642?
- CVE-2026-7642 is a medium-severity vulnerability in Pskill9 Website-Downloader, classified under Command Injection. CVSS score: 6.3/10. Published 2026-05-02.
- How severe is CVE-2026-7642?
- Medium severity. CVSS v3 base score is 6.3 out of 10.