New request for comments on improving npm security with Sigstore is now open

Npm has been implementing a series of measures to enhance the security and trustworthiness of its registry, including mandatory two-factor authentication and improved artifact signing, aimed at safeguarding open-source consumers from software supply chain attacks. A new request for comments (RFC) proposes linking packages with their source repositories and build environments, allowing consumers to verify that package contents match the linked repository. This initiative leverages Sigstore, a project from the Linux Foundation and Open Source Security Foundation, which simplifies and secures the process by eliminating the need for developers to manage long-lived cryptographic keys. The proposal includes end-to-end signing of npm packages using Sigstore, which would generate attestations about the package’s authorship details for future verification. While this is a significant step toward securing the software supply chain, achieving comprehensive security will require broader community involvement and investment.

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