Breaking

Reports Say OpenAI's GPT-6 Cyber Found 81 Firefox Flaws and Built 948 Linux Kernel Exploits

November 6, 2026 at 04:40 EST

Security
Foundation Models

Reports say OpenAI has launched GPT-6 Cyber, a security-focused AI model that identified 81 new high-severity flaws in Mozilla's Firefox browser and generated working exploits for 948 Linux kernel vulnerabilities, though the claims have not yet been independently confirmed.

Reported launch · OpenAI · Claims unverified

GPT-6 Cyber: reported security results that remain unconfirmed

Reports say OpenAI's security-focused model found 81 high-severity Firefox flaws and built working exploits for 948 Linux kernel vulnerabilities. No independent confirmation has been published yet.

Reported high-severity Firefox flaws

948

Reported Linux kernel vulnerabilities with working exploits

Independent confirmations found at time of writing

Reported counts, drawn to scale

Both bars count reported items. Column height is proportional to the number. Firefox flaws and Linux exploits are different kinds of result and are not directly comparable in severity.

Firefox flaws

948

Linux kernel exploits

Scale: the Linux column is about 11.7 times the height of the Firefox column (948 vs 81).

From detection to exploit: the reported chain

Find flaws

→

Validate

→

Build exploit

→

Report and patch

The report does not describe how each step was validated, or whether Mozilla and Linux maintainers have received and fixed the findings.

Key point

Treat the numbers as claims until the details are published

Validation

How were the flaws and exploits verified?

Disclosure

Have Mozilla and kernel maintainers been notified and patched?

Access

What controls limit who can use the model?

If confirmed: potential upside

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