OS Command Injection Vulnerability in pskill9 Website-Downloader by pskill9
CVE-2026-7642

5.3MEDIUM

Key Information:

Vendor

Pskill9

Status
Website-downloader
Vendor
CVE Published:
2 May 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-7642?

A vulnerability in the pskill9 website-downloader allows for OS command injection via the download_website function in the MCP Interface. By manipulating the outputPath argument, attackers can execute arbitrary commands on the server. This vulnerability can be exploited remotely and has been publicly disclosed, raising concerns about widespread exploitation. The developers were informed early through an issue report, but no remedial action has been taken. Users of versions up to 0.1.0 should take immediate steps to mitigate risks associated with this vulnerability.

Affected Version(s)

website-downloader 0.1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-7642 - Proof of Concept

References

https://vuldb.com/vuln/360754
vdb-entrytechnical-description
https://vuldb.com/vuln/360754/cti
signaturepermissions-required
https://vuldb.com/submit/806812
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

BruceJqs (VulDB User)
VulDB CNA Team
.