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 (4f9fcfe9f469df3c132eca5b08bac4a30c146c7b1305f506fd900b1e78581b0d)
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