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OpenAdvisories
Malicious MAL-2026-1435

python-anchor

PyPI package · versions 13.3.0, 14.6.0, 15.0.0

Reported Mar 15, 2026 · Updated Mar 15, 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 (914b16cbc506c57a77eeed5ae14955bcf3b58fa49da92c2686b56a1d531c5268)
During import, package decrypts and runs a malicious executable. The executable is hidden in an encoded and xored form in the JSON resource file.

This is a follow up of the campaign 2026-03-fastapi-middleware-cors

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

Campaign: 2026-03-ariadne-federation

Reasons (based on the campaign):

- malware

- obfuscation

- dependency-confusion

- typosquatting