GitHub Launches npm Firewall to Block Malicious Packages Before Installation

Oct 29, 2026

GitHub has announced that it’s introducing a new package firewall as a preview to block installation of suspicious npm packages during installation time.

“The firewall inspects both metadata requests and package downloads for signs of malicious activity, acting as an install-time policy gate,” GitHub said.

The feature, which currently supports only npm packages, is available in public preview

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