Checked fact 42498 Nov 2026Safety and security

OpenAI says GPT-6 Cyber produced evidence and reproducible tests for 81 novel vulnerabilities classified by Mozilla as high severity, and showed that an additional 30 known issues were more severe than previously reported.

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During a vulnerability research campaign, GPT-6 Cyber produced evidence and reproducible tests for 81 novel vulnerabilities classified by Mozilla as high severity, and showed that an additional 30 known issues were more severe than previously reported.

What the source said when we opened it, on 8 Nov 2026.

The source

GPT-6 Cyber: Advancing the frontier of aligned cybersecurity agents
OpenAI · 2026-11-05

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Checked by the notis newsroom on 8 Nov 2026, against the source above.

In the story

GPT-6 Cyber found novel Firefox bugs and helped land fixes, Mozilla's Grinstead says 8 Nov 2026

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The company says: “OpenAI says GPT-6 Cyber produced evidence and reproducible tests for 81 novel vulnerabilities classified by Mozilla as high severity, and showed that an additional 30 known issues were more severe than previously reported.” ai notis, checked 8 Nov 2026. Source: GPT-6 Cyber: Advancing the frontier of aligned cybersecurity agents (OpenAI). https://ainotis.com/c/4249

As a reference (APA style)

ai notis. (2026, November 8). The company says: OpenAI says GPT-6 Cyber produced evidence and reproducible tests for 81 novel vulnerabilities classified by Mozilla as high severity, and showed that an additional 30 known issues were more severe than previously reported [Checked claim 4249]. ai notis. https://ainotis.com/c/4249

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