Introducing deepsec: The security harness for finding vulnerabilities in your codebase A new open source tool from Vercel that uses AI coding agents to find security vulnerabilities in your codebase. It runs locally on your laptop or on your own infrastructure using your existing AI subscriptions. The workflow involves static analysis to find security-sensitive files, agent investigation of each candidate, and includes a revalidation step to reduce false positives 𝕏 Next.js 16.2.6 & 15.5.18 Security Releases Important security updates have landed for both Next.js 16 and 15. These patches fix multiple vulnerabilities ranging from low to high severity ⚡️ Sponsor Your AI shouldn't grade its own homework Claude Code writes beautiful code. So does Codex. But here's the thing, they also think they write beautiful code. And when you ask an AI to review code it just wrote, you get the intellectual equivalent of a student grading their own exam. Shockingly, they always pass.…