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Vulnerabilities & PatchesEmerging1 sourceSep 2, 2026 · 21:31via Security Affairs

OpenAI Astra Brings Autonomous Zero-Day Exploitation to AI

Brief

OpenAI says Astra can autonomously find zero-days and build exploits, marking its first model to reach the “Critical” cyber risk level.

Astra is now officially OpenAI’s highest-risk cybersecurity model. In August, OpenAI said it “ couldn’t rule out ” that its upcoming model had reached the highest cybersecurity risk level in its Preparedness Framework . In a new post, the company confirmed it: Astra meets the Critical cybersecurity capability threshold, making it the first OpenAI model ever classified at that level.

“We now believe Astra meets the Critical cybersecurity capability threshold under our Preparedness Framework , meaning that with the right tools and access, it can find previously unknown security flaws and develop ways to exploit them across many well-protected systems without a person guiding each step.” reads the announcement .

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