bun
Safeguard articles tagged "bun" — guides, analysis, and best practices for software supply chain and application security.
4 articles
Bring Your Own Runtime: Why the keyv Payload Downloaded Bun
The August 2026 npm worm did not run its second stage in Node. It downloaded a standalone Bun binary first — a choice that defeats a surprising amount of build-pipeline monitoring.
Node.js vs Deno vs Bun: comparing their security models
Only one of the three major JavaScript runtimes denies system access by default — Node's permission model only went stable in v23.5.0, and Bun still has none.
Bun Security Best Practices (2026)
Bun is fast and Node-compatible, but unlike Deno it has no permission sandbox. Here is how to run it safely: trusted-dependency script blocking, frozen lockfiles, and real dependency auditing.
Bun Runtime Security Considerations: Speed vs. Safety Trade-offs
Bun prioritizes performance over Node.js compatibility. But some of those performance choices have security implications worth understanding.
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