This is an advisory for a malicious package.
We recommend immediate removal of malicious versions of this package. Safety Firewall is actively blocking installation and will help you identify any existing installations of the package.
PyPI: mcp-pdftool-plus
SFTY-20260129-57809
--- _-= Per source details. Do not edit below this line.=-_ ## Source: kam193 (2e92dea8be02288f271dacad2cd77f1bdd54596da1691cb738c4a7b7b4f77d21) When using the library, the hidden code starts a reverse shell --- Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers. Campaign: 2026-01-mcp-pdftool-plus Reasons (based on the campaign): - The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine. - action-hidden-in-lib-usage
Overview
Malicious code in mcp-pdftool-plus (PyPI)
Advisory
Malicious code in mcp-pdftool-plus (PyPI)
How to Fix
We recommend updating mcp-pdftool-plus to the latest non-vulnerable version.
Mitigation and Workarounds
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Vulnerable Functions
Functions linked to known vulnerabilities.
Verified by Safety
Our Cybersecurity Intelligence Team reviewed this vulnerability. We combine public data with our own research to find issues not yet reported to public sources.
Learn more