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OpenAdvisories
Malicious MAL-2026-126

codefrequencychecker

PyPI package · versions 0.0.1, 0.0.2, 0.0.3, 0.0.5, 0.0.7

Reported Jan 7, 2026 · Updated Jan 7, 2026

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 (4202ead7b36e01a039c10a9379f617de02b50d5a69d5923652cfafb6f22067b6)
Package exfiltrates browser cookies and passwords, and starts a Telegram bot allowing re-exfiltrating later.

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

Campaign: 2026-01-codefrequencychecker

Reasons (based on the campaign):

- exfiltration-browser-data

- A Telegram webhook is used to send collected data.

- infostealer