MSGPACKRPC · MAL-2026-18627 · Package
UNINSTALL IT, ROTATE THE KEYS IT COULD READ
Not triaged yet. The sources’ own description is below.
first public Nov 4, 2026 · 1 source
Running Msgpackrpc? Find out in 2 minutes.
Tell InfraStack what you run. It checks this one, and every next one, against your stack.
Ask from here. InfraStack checks the affected versions against your stack and answers in your inbox.
InfraStack checks the affected versions against your stack and answers in Slack, with the evidence and the fix.
Who cares malicious
Unknown from the sources.
Unknown from the sources.
-= Per source details. Do not edit below this line.=-
Installing the package or importing the module exfiltrates basic information about the host, and the package has no other purpose.
Category: PROBABLY_PENTEST - Packages looking like typical pentest packages, but also anything that looks like testing, exploring pre-prepared kits, research & co, with clearly low-harm possibilities.
Campaign: GENERIC-standard-pypi-install-pentest
Reasons (based on the campaign):
The package contains code to exfiltrate basic data from the system, like IP or username. It has a limited risk.
The package overrides the install command in setup.py to execute malicious code during installation.
This page as .md · .json · in your agent: get_signal("MAL-2026-18627")