OpenAI Releases GPT-6 Cyber AI Model
November 6: BleepingComputer reports GPT-6 Cyber not publicly available and expanding access to approved organizations.
OpenAI launches restricted GPT-6 Cyber AI that scored 48.5% on ExploitGym while staying in scope 99.93% of tests.
OpenAI released GPT-6 Cyber on November 4, 2026, a restricted-access AI model rated Critical under its Preparedness Framework. The model outperformed GPT-5.6 Cyber and GPT-6 Astra on ExploitGym with 48.5% while maintaining 99.93% in-scope behavior. It identified 81 previously unknown high-severity Firefox flaws that Mozilla began patching and developed 948 working Linux kernel privilege-escalation exploits, including 588 novel. Access is initially limited to approved Daybreak Red customers with plans to expand.
- 48.5% on ExploitGym versus 32.1% for GPT-5.6 Cyber
- 99.93% in-scope behavior on ExploitGym tests
- 81 new Firefox high-severity flaws reported to Mozilla
- 948 Linux kernel exploits developed, 588 previously unknown
- Rated Critical in OpenAI Preparedness Framework
- Initial access to approved Daybreak Red customers
Timeline
dated events in the reporting · oldest first- Nov 4, 2026OpenAI releases GPT-6 Cyber · Cyber Security News
- Nov 5, 2026Model scores 48.5% on ExploitGym and stays in scope 99.93% · The Register
- Nov 5, 2026Mozilla begins patching 81 new Firefox flaws · The Register
- Nov 5, 2026OpenAI rates GPT-6 Cyber Critical · Security Affairs
- Nov 6, 2026Access expands to approved organizations · BleepingComputer
What each outlet adds
beyond the shared facts- The Register0.07% boundary tests exceeded scope; promises stays within rules of engagement
- The VergeOut-of-bounds fell below 1% from 5%; better at not hacking other companies
- CyberScoopValidated critical RCE flaw in Brotli; partnership with Dragos
- CSO Online10 novel exploitation techniques; remediation rate under 25% on Patch the Planet dashboard
- The DecoderReproduced 1,724 Linux kernel vulnerabilities; campaign cost $1,213,430 or $1,279 per exploit
- CVEs
- CVE-2026-111497
Coverage
oldest first · one row per article · UTCOpenAI introduces GPT-6 Cyber for scoped vulnerability research
OpenAI reports 48.5% on ExploitGym, up from 32.1%, and 99.93% in-scope behavior without the deployment prompt.
OpenAI releases GPT-6 Cyber, rated Critical for cyber capability
Access starts with approved Daybreak Red customers after OpenAI said the model stayed in scope over 99 percent of the time.
OpenAI launches GPT-6 Cyber, rated Critical on its framework
OpenAI says out-of-bounds behavior fell below 1 percent from about 5 percent, and the ExploitGym score rose to 48.5 percent.
OpenAI debuts GPT-6 Cyber for limited Daybreak Red customers
OpenAI says the model found 81 novel Firefox bugs and built exploits for 948 Linux kernel flaws, all since patched.
OpenAI's GPT-6 Cyber finds 81 unknown high-severity Firefox bugs and 588 kernel flaws
OpenAI claims 10 of the model's exploitation techniques were novel; its dashboard shows under 25% of found flaws remediated.
OpenAI releases cybersecurity model for Daybreak
OpenAI launched ChatGPT Cyber for its Daybreak program, enabling frontier models for vulnerability hunting while researchers found issues in Linux and Firefox.
OpenAI releases GPT-6 Cyber model for vulnerability hunting
GPT-6 Cyber finds vulnerabilities in Firefox and Linux kernel with improved safety; initial access limited to select customers.
OpenAI launches GPT-6 Cyber AI for finding Firefox flaws and Linux exploits
GPT-6 Cyber discovered 81 high-severity Firefox bugs and built 948 working Linux kernel exploits.
OpenAI GPT-6 Cyber finds 81 Firefox vulnerabilities and 948 Linux kernel exploits
The model scored 48.5% in ExploitGym and completed 95% of RemoteExploitBench tasks while avoiding out-of-scope exploitation 99.93% of the time.
OpenAI GPT-6 Cyber uncovers 81 Firefox vulnerabilities
The model identified 81 high-severity Firefox flaws and developed exploits for 948 Linux kernel issues during internal testing.
OpenAI rates GPT-6 Cyber Critical after major vulnerability discoveries
GPT-6 Cyber found 81 high-severity Firefox flaws and reproduced 1,724 Linux kernel vulnerabilities.
OpenAI unveils GPT-6 Cyber security model
GPT-6 Cyber achieves 48.5 percent on ExploitGym and stays within scope in 99.93 percent of tests.
OpenAI Releases GPT-6 Cyber for Enhanced Vulnerability Discovery
OpenAI's GPT-6 Cyber discovers 81 Firefox vulnerabilities and 948 Linux exploits
OpenAI GPT-6 Cyber discovers Firefox and Linux vulnerabilities
GPT-6 Cyber is not publicly available and classified Critical under OpenAI's Preparedness Framework.
Vulnerabilities in this story
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-111497 | Buffer overflow in Google Brotli decoder 1.0.3–1.2.0 | 9.2 | 83% | KEVPoC ×25 | KEV |