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OpenAI Releases GPT‑5.5‑Cyber With Full Automation for Vulnerability Detection and Patching

Guru Baran

June 23, 2026

OpenAI has officially launched the full version of GPT...

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Cyber Security

OpenAI Releases GPT‑5.5‑Cyber With Full Automation for Vulnerability Detection and Patching

Guru Baran

June 23, 2026

OpenAI has officially launched the full version of GPT‑5.5‑Cyber, a specialized AI model engineered for advanced vulnerability detection, patch generation, and automated remediation at machine speed.

The release is part of OpenAI’s broader Daybreak initiative, which aims to democratize defensive cybersecurity capabilities for trusted organizations worldwide.

GPT‑5.5‑Cyber delivers state-of-the-art results across three major cybersecurity evaluation benchmarks:

CyberGym

: 85.6% (vs. 81.8% for GPT‑5.5), the highest single-model score recorded.

ExploitGym

: 39.5% (vs. 25.95% for GPT‑5.5), testing exploit generation from known vulnerabilities.

SEC-bench Pro

: 69.8% (vs. 63.1% for GPT‑5.5), evaluating long-horizon vulnerability discovery across complex software targets.

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ExploitGym

SEC Bench Pro

The model can navigate large codebases, trace attack paths, validate exploitability, generate targeted patches, and produce remediation evidence all within a single automated workflow.

Codex Security Plugin Updated

Alongside the model release, OpenAI has updated the Codex Security plugin, now capable of deep codebase scanning with automated patch generation. Since launching in

research preview in March 2026, Codex Security

Scanned over 30 million commits across more than 30,000 codebases

Processed over 70,000 manually verified fixes

Automatically resolved over 500,000 findings

The plugin integrates directly into developer workflows, supporting SARIF exports, CodeQL queries, and existing vulnerability management pipelines. It generates severity-rated reports with affected code locations, attack path tracing, and codebase-specific patches for human review.

OpenAI launched Patch the Planet, a collaborative initiative co-founded with Trail of Bits and

来源: Brave/cybersecuritynews.com

采集时间: 2026-06-23 20:16:53