OpenAI launches GPT-6 Cyber AI for finding Firefox flaws and Linux exploits
Original title: OpenAI Launches GPT-6 Cyber That Finds 81 Firefox Flaws and Develops 948 Linux Exploits
GPT-6 Cyber discovered 81 high-severity Firefox bugs and built 948 working Linux kernel exploits.
OpenAI released GPT-6 Cyber on November 4, 2026, a security-focused model that outperformed GPT-5.6 Cyber in exploit tasks. It identified 81 Firefox vulnerabilities covered by Mozilla advisory MFSA 2026-118 and developed 948 local privilege escalation exploits for the Linux kernel from audit targets. The model stayed in scope 99.93% of the time in honeypot tests and received a Critical rating in OpenAI's Preparedness Framework.
Unconfirmed: Exact exploit prices and all undisclosed techniques
- 81 Firefox use-after-free bugs reported to Mozilla
- 948 Linux kernel exploits created
- 95% completion on RemoteExploitBench
- GPT-5.6 Cyber scored 32.1% on ExploitGym
Impact: AI model enables automated exploitation of known vulnerabilities
- 1.Apply Firefox 159 updates
- 2.Monitor for unauthorized Linux privilege escalations
- Products
- FirefoxLinux kernel
- Organizations
- Daybreak Red
- AI models
- GPT-6 Cyber
From the original article
3 min read at cybersecuritynews.com
OpenAI has launched GPT-6 Cyber, a security-focused AI model that found 81 new high-severity Firefox flaws and built working exploits for 948 Linux kernel bugs. The company says it also follows the limits set by researchers far better than its older model. OpenAI introduced GPT-6 Cyber on November 4, 2026.
By Guru Baran · cybersecuritynews.com
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