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supplychainattack.orgSupply chain attack incident catalog
resolvedhigh

Malicious code in acpi-tables (PyPI)

The acpi-tables package on PyPI contained malicious code that exfiltrates basic host information (IP address, username) during installation. The package overrides the install command in setup.py to execute the malicious payload when installed.

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Disclosed
Last updated
Blast radius
Users who installed the acpi-tables package from PyPI
Ecosystems
PyPI
Attack vectors
Compromised package
Affected entities
  • acpi-tablesPyPI package containing malicious code

The acpi-tables package published on PyPI was found to contain malicious code designed to exfiltrate basic system information from the host machine. The malicious payload is executed during package installation by overriding the install command in setup.py.\n\nThe exfiltrated data includes basic host information such as IP address and username. According to the OpenSSF malicious packages database, this package had no legitimate functionality beyond the data exfiltration capability.\n\nThe incident was identified and reported through the OpenSSF malicious packages project. The package is categorized as a typical pentest-style package with limited but confirmed harm potential.

Indicators of compromise

Packages
  • acpi-tables

Remediation

  • Remove the acpi-tables package from any systems where it was installed
  • Audit systems that installed this package for signs of compromise or data exfiltration
  • Review network logs for suspicious outbound connections from affected systems
  • Change credentials and review account activity on affected systems
  • Use package verification tools and maintain updated security advisories when installing PyPI packages

Sources

  1. GitHub Advisory GHSA-qgc4-gm3p-6fm5 · GitHub Advisory Database

Cite this entry

"Malicious code in acpi-tables (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-acpi-tables-pypi-18etcy

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