Hands-on secure code review
Code review is a skill.
Practice it.
Build the instinct that catches vulnerabilities in review.
Loading the weekly featured challenge…
Build the instinct that catches vulnerabilities in review.
Build the instinct that catches vulnerabilities before they ship. Review realistic production code, choose the vulnerable line, and learn from the explanation.
PixelVault is a design-portfolio SaaS where creatives showcase their work. A popular feature lets users import a brand logo straight from a URL so they don't have to download and re-upload assets. The engineer who built it read up on command injection and was careful to never use a shell, passing arguments as a list instead. Review the import pipeline and decide whether that precaution is enough.
“We dropped Code Review Lab into our security training rotation. Two weeks later our engineers were catching things in PR review we'd historically missed.”
This week's featured challenge takes about 15 minutes.