Google's AI Agent Big Sleep Discovers Critical SQLite Vulnerability
Google's AI agent Big Sleep identified a critical SQLite security flaw that was about to be exploited, marking the first time an AI has directly prevented a live cyberattack.
Google revealed on July 15 that its AI security agent Big Sleep discovered a critical vulnerability in SQLite (CVE-2025-6965) just before attackers could exploit it. This marks the first time an AI system has directly prevented a live cyberattack.
Key Details:
- Vulnerability: SQL injection flaw allowing integer overflow attacks
- Threat: Active exploitation attempts were underway
- AI Agent: Big Sleep (developed by Google DeepMind/Project Zero)
- Impact: Prevented potential data breaches across millions of SQLite deployments
"Our AI agent Big Sleep helped us detect and foil an imminent exploit. We believe this is a first for an AI agent"
— Sundar Pichai (@sundarpichai)
Technical Breakdown:
The vulnerability (described in SQLite docs) allowed attackers to:
- Inject malicious SQL statements
- Trigger integer overflows
- Read beyond array boundaries
Expanded AI Security Features:
Google also announced:
- Agentic Timesketch: AI-powered forensic investigation automation
- Proactive Threat Prediction: Combining threat intelligence with AI analysis
"We have seen real leaps in AI's capabilities to create durable cybersecurity" - Google stated in its blog post.
This breakthrough demonstrates AI's growing role in proactive cyber defense, shifting from vulnerability detection to active threat prevention.
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About the Author

David Chen
AI Startup Analyst
Senior analyst focusing on AI startup ecosystem with 11 years of venture capital and startup analysis experience. Former member of Sequoia Capital AI investment team, now independent analyst writing AI startup and investment analysis articles for Forbes, Harvard Business Review and other publications.