Code Review Lab — practice secure code review
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Code review is a skill.
Practice it.
Build the instinct that catches vulnerabilities in review.
loading daily challenge…
Build the instinct that catches vulnerabilities in review.
Build the instinct that catches vulnerabilities in review. Hands-on challenges in real production code.
ClipVault is the Vapor backend for an iOS short-video app where creators export edited clips and later pull them back down to their phone. Each user's renders live under a per-user directory on the server, and the mobile client calls GET /api/clips/download?file=<name> to stream a finished clip. Review how the download controller turns that filename into a path on disk and decide whether a finished clip is the only thing it can hand back.
“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.”