VYPR

pypi · Malicious package advisory

Malware

moonbit-schema-utils

MAL-2026-2947

Malicious code in moonbit-schema-utils (PyPI)

Details


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## Source: kam193 (5fd7cc9fd6247802480f37b02a23faadb37c7fa5aded77358015c0861ab980e7)
Campaign includes a chain of dependencies that finally exfiltrate sensitive environment variables to a hardcoded GitHub repository as exfiltration target, and in specific environments also start a reverse shell. It appears to be targeting specifically one GitHub project, where the front-end package was included in a PR.


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


Campaign: 2026-04-moonbit-locale-compat


Reasons (based on the campaign):


 - The malicious code is intentionally included in a dependency of the package


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


 - exfiltration-env-variables

Compromised versions (2)

  • 1.1.0
  • 1.1.1

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.