Node.js

Prototype Pollution: Tracing Exploitable Paths in Node.js Libraries

Prototype pollution is one of the sneakiest JavaScript vulnerabilities — a single crafted payload can silently corrupt shared objects across your entire Node.js app. Learn how attackers trace these paths and how you stop them cold.

Jun 19, 2026 9m read 👁 2

Event Loop Blocking: Why Your setTimeout Callbacks Fire Late in Node.js

Wondering why your setTimeout() callback executes later than expected in Node.js? Learn how event loop blocking occurs, how timers actually work, and practical techniques to prevent delayed execution.

Jun 17, 2026 5m read 👁 7