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OpenAdvisories
Malicious MAL-2025-191731

flask-auth-system

PyPI package · versions 0.0.1, 0.0.2

Reported Apr 2, 2025 · Updated Dec 12, 2025

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: kam193 (debc87eb7af33e5146831c7e1b8ff69ccdebe2c9bbf353216c719b10ebe8431c)
On importing the module, the code attempts to span a reverse shell. In the current version, the remote domain does not exist

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Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2025-04-flask-auth-sys

Reasons (based on the campaign):

- dependency-confusion

- The package contains code to create a reverse shell, allowing an attacker to execute any commands on the victim's machine.

- obfuscation

Indicators of compromise

Shown defanged and not clickable. Search any indicator to find other packages using it.

Domains