OpenAI takes a major step in cybersecurity by launching a new model; the feature will be available to select companies..

OpenAI has launched the new GPT-5.6-Cyber ​​model in the field of cybersecurity. The company states that this model has been specifically designed for complex cybersecurity tasks. Notably, the model will be made available only to select companies and trusted security experts. According to OpenAI, security experts can use GPT-5.6-Cyber ​​to identify software vulnerabilities, analyze them, and enhance system security. The company claims that the model discovered two previously unknown vulnerabilities in the V8 JavaScript engine.

Unlike standard AI models, GPT-5.6-Cyber ​​is tailored for specific cybersecurity tasks. It can perform functions such as identifying software security flaws, investigating potential cyberattacks, and generating reports on vulnerabilities.

**Will also detect zero-day vulnerabilities**
In cybersecurity, a "zero-day" vulnerability refers to a security flaw that was previously unknown. If such a flaw falls into the wrong hands, it can be exploited to compromise software or systems. OpenAI states that GPT-5.6-Cyber ​​is designed to detect such new vulnerabilities. The model discovered security flaws in an open-source project and provided information regarding their potential impact. However, the use of such cybersecurity tools must be restricted to legitimate and security-focused activities. OpenAI has emphasized that its objective is to assist trusted defenders in strengthening their system security.

**Discovered two vulnerabilities in Chrome's V8 engine**
One of GPT-5.6-Cyber's significant achievements involves Google Chrome's V8 JavaScript engine. According to OpenAI, the model identified two previously unknown vulnerabilities in V8. OpenAI researchers analyzed these flaws and subsequently reported them to Google in a responsible manner. Google later patched the relevant security flaw and assigned it the identifier CVE-2026-15903. This example illustrates the significant role AI models can play in cybersecurity research in the future.

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