OpenAI ships GPT-6 Cyber: security model surfaced 81 unknown Firefox flaws and 948 Linux exploits
nickbaumann_ · x · 2026-11-06
OpenAI introduced GPT-6 Cyber, a security-research model pairing stronger capabilities with better alignment, initially available to select Daybreak Red customers.
Key points:
- It's described as a huge step over GPT-5.6 Cyber, outperforming GPT-6 Astra even when Astra doesn't refuse;
- Researchers used it to find 948 privilege escalation exploits in Linux and 81 previously unknown Firefox vulnerabilities (the kernel research announced earlier);
- Security teams at Mozilla, Palo Alto Networks, Calif, and Cisco — plus OpenAI's own — are already using it.
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