workerd

Cloudflare has open-sourced Cloudflare OS, a corporate AI platform built on a capability-based model that gives each user an isolated, modifiable app instance, enabling secure 'vibe coding' for non-te…

Cloudflare open-sourced Cloudflare OS in August 2026, an internal solution that runs private, sandboxed micro-applications ('Gadgets') managed by capability-based security proxies ('Gatekeepers'), but…

Check Point Research found five memory-corruption bugs in Cloudflare's workerd runtime, which underpins both Cloudflare Workers and Cloudflare Code Mode, and exploited them to break out of the sandbox…