# Lambert revisits his view that open-weight models pose limited cyber risk

> Original title: Was I wrong about open models & cyber risks?

- Source: Interconnects (Nathan Lambert)
- Published: 2026-10-30T17:36:56.000Z
- Bad Influence: https://badinfluence.news/items/bi45oqvwl14r9kz524masbo83
- Original: https://www.interconnects.ai/p/was-i-wrong-about-open-models-and

## Summary

Nathan Lambert says he now doubts his earlier claim that an open-weight release of Claude Mythos would be a manageable step rather than a societal threat. He cites warnings from Rob Wiblin, Anthropic's Project Glasswing post, and Zvi Mowshowitz that call Mythos an actual disaster or chaos if misused. Lambert says Epoch AI used GLM-5.3 to find a Firefox exploit, but that a working attack needs several stages to align.