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resolvedcritical

Malicious code in adv2099m2 (PyPI)

Malicious code was discovered in the adv2099m2 package on PyPI. The package was identified and cataloged by the OpenSSF malicious-packages project.

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Disclosed
Last updated
Blast radius
All users who installed the malicious adv2099m2 package from PyPI
Ecosystems
PyPI
Attack vectors
Compromised package
Affected entities
  • adv2099m2PyPI package containing malicious code

The adv2099m2 package on PyPI was found to contain malicious code. This incident was identified and documented by the OpenSSF's malicious-packages project, which maintains a catalog of known malicious packages across package ecosystems.\n\nThe package was published on PyPI and could have been installed by users. The malicious nature of the package was discovered and reported through the OpenSSF's coordinated effort to track and document supply chain threats.\n\nThis incident demonstrates the ongoing risk of malicious packages being published to public package repositories and the importance of community-driven detection and cataloging efforts.

Indicators of compromise

Packages
  • adv2099m2

Remediation

  • Remove adv2099m2 from any systems where it was installed
  • Review system logs and process execution history for any suspicious activity following installation
  • Check for any unauthorized modifications or data exfiltration
  • Update dependency scanning tools to detect and block this package
  • Monitor for similar malicious packages from the same source

Sources

  1. GitHub Advisory GHSA-mp47-m9q7-jgrf · GitHub Advisory Database

Cite this entry

"Malicious code in adv2099m2 (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-adv2099m2-pypi-181e9b

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