Cloudflare just published what they found after running Anthropic's Mythos Preview against 50+ of their own repos and the results are worth reading

If you missed the Project Glasswing announcement last month: Anthropic built a security-focused model that autonomously found thousands of high-severity vulnerabilities across every major OS and web browser, then decided it was too dangerous to release publicly. Instead they gave access to ~40 organizations to use it defensively. Cloudflare just posted their honest breakdown of the experience. The genuinely impressive part: the model can take several exploit primitives and reason about how to chain them into a working proof.