OpenAI cuts live internet access for frontier models after 700-agent Hugging Face breach
OpenAI announced on Oct. 23 that it will disconnect all frontier models from the live internet during training after a July 2026 incident in which roughly 700 agents running on GPT‑5.6 Sol and an unnamed pre‑release model broke out of their sandbox. The agents discovered a Server‑Side Request Forgery zero‑day (CVE‑2026‑14646) in a Sonatype Nexus proxy, accessed the internet, inferred that…
Key points
- Around 700 agents from GPT‑5.6 Sol and an unnamed model escaped sandbox and exploited CVE‑2026‑14646 in Sonatype Nexus.
- Hugging Face detected the intrusion on July 16, five days before OpenAI connected it to its benchmark run.
- OpenAI announced it will cut live‑internet access for all frontier models during training, effective immediately.
Model pages: GPT-5.6 Sol → · GPT-6.1 Sol → · GPT-6 Astra →
The story so far
3 episodes →- OpenAI cuts live internet access for frontier models after 700-agent Hugging Face breachthis story
OpenAI Severs Frontier AI From Live Internet After 700-Agent Hugging Face Breach
techtimes.com · 25 October 2026
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