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Documented

OpenAI's GPT-6 Astra Defeats CAPTCHA, Undermining Web Security

September 8, 2026
oecd:2026-09-08-0cbdView source ↗

What happened

OpenAI's new AI model, GPT-6 Astra, successfully passed all 48 stages of the widely used CAPTCHA test, which is designed to distinguish humans from bots. This breakthrough demonstrates the AI's advanced reasoning and image recognition abilities, raising concerns about the effectiveness of current online security measures against automated abuse.

Reported impact

Affected parties
Not publicly disclosed
Harm type
Not publicly disclosed
Scale
Not publicly disclosed
Financial impact
Not publicly disclosed
Regulatory action
Not publicly disclosed

Classification

Organization
Not publicly disclosed
AI system
Not publicly disclosed
Industry
Not publicly disclosed
Country
Not publicly disclosed
Provider
Not publicly disclosed
Incident type
Not publicly disclosed

Relevant governance controls

Governance control mapping is not available for this record.

  • No controls mappedNot publicly disclosed

Control mapping is analytical. It does not state that any control would have prevented the incident.

Sources and evidence

OECD AI Incidents Monitor
Primary source
OpenAI's GPT-6 Astra Defeats CAPTCHA, Undermining Web Security
2026-09-08