Legacy Python Bootstrap Scripts Create Domain-Takeover Risk in Multiple PyPI Packages

The Hacker News

November 28, 2025 at 4:27 PM

Overview

Researchers have identified vulnerabilities in legacy Python packages that could lead to supply chain attacks through domain takeover risks. The issue is linked to bootstrap files from the zc.buildout automation tool, highlighting the need for vigilance in managing dependencies in software development.

Key Takeaways

Affected Systems: Legacy Python packages using zc.buildout
Action Required: Review and update any affected legacy Python packages, especially those utilizing zc.
Timeline: Newly disclosed

Original Article Summary

Cybersecurity researchers have discovered vulnerable code in legacy Python packages that could potentially pave the way for a supply chain compromise on the Python Package Index (PyPI) via a domain takeover attack. Software supply chain security company ReversingLabs said it found the "vulnerability" in bootstrap files provided by a build and deployment automation tool named "zc.buildout." "The

Impact

Legacy Python packages using zc.buildout

Exploitation Status

The exploitation status is currently unknown. Monitor vendor advisories and security bulletins for updates.

Timeline

Newly disclosed

Remediation

Review and update any affected legacy Python packages, especially those utilizing zc.buildout, to mitigate potential risks.

Additional Information

This threat intelligence is aggregated from trusted cybersecurity sources. For the most up-to-date information, technical details, and official vendor guidance, please refer to the original article linked below.

Related Topics: This incident relates to Vulnerability.

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