# New Preprint Proposes Manufacturing Verified Vulnerabilities to Train Defensive Security Agents

CyberForge injects flaws into whole repositories with verification, addressing the shortage of realistic training data for agents meant to find and patch bugs rather than exploit them.

- Published: 2026-08-10T06:21:58.349Z
- Canonical: https://polylog.news/ai/2026-08-10/new-preprint-proposes-manufacturing-verified-vulnerabilities
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [arXiv cs.CR](https://arxiv.org/abs/2608.06471), [Anthropic Research](https://www.anthropic.com/research/team/frontier-red-team)

A preprint posted to arXiv describes CyberForge, a system that injects verified vulnerabilities into software repositories to generate training data for cybersecurity agents. The authors state the asymmetry directly: generally available lar…

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