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OpenAdvisories
Malicious MAL-2026-3829

pyenvprep

PyPI package · versions 1.0.0

Reported May 18, 2026 · Updated May 18, 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 (963727b60e7fa8536050eb0f4691dc8bec6089567630063305d05ddceb4834cd)
Package contains code to silently execute a RAT-like agent, allowing the attacker to access the file system and execute arbitrary code.

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

Campaign: 2026-05-venv-utils

Reasons (based on the campaign):

- rat

- typosquatting

- The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

- obfuscation

Indicators of compromise

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

Domains