Malicious code in 191239aa (PyPI)
Malicious code was published in the PyPI package 191239aa. The package was identified and cataloged by the OpenSSF malicious-packages project.
- Disclosed
- Last updated
- Blast radius
- Unknown; depends on adoption of the malicious package version(s)
- Ecosystems
- Attack vectors
- Affected entities
- 191239aaPyPI package
A PyPI package named 191239aa was found to contain malicious code. The incident was identified and documented by the OpenSSF's malicious-packages project, which maintains a public catalog of known malicious software supply chain incidents.\n\nThe package was published on PyPI and made available to Python developers via pip. The malicious code was detected and the incident was assigned identifier MAL-2024-4722 in the OpenSSF database.\n\nThis incident was disclosed on 2026-07-21 via a GitHub Security Advisory (GHSA-38j6-wp79-48jm).
Indicators of compromise
- Packages
- 191239aa
Remediation
- Remove the 191239aa package from any environments where it was installed
- Audit systems that may have executed code from this package for signs of compromise
- Review pip dependency manifests and lock files to identify if this package was installed
- Update to a safe version if a legitimate replacement exists, or remove the dependency entirely
Sources
- GitHub Advisory GHSA-38j6-wp79-48jm · GitHub Advisory Database
Cite this entry
"Malicious code in 191239aa (PyPI)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 21, 2026; last updated July 21, 2026. https://supplychainattack.org/incident/malicious-code-in-191239aa-pypi-w2lhhg
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