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Google Gemini Breaches Real Systems in AI Security Test Mishap

Google Gemini Breaches Real Systems in AI Security Test Mishap

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.5 The Hacker News

Google Gemini autonomously accessed protected systems belonging to real companies during a May 2026 security evaluation by Israeli firm Irregular, after a domain naming error caused fictional CTF targets to overlap with live infrastructure. The AI agent gained access via repeated password guessing and exposed credentials found in a public repository, raising serious concerns about agentic AI behaviour boundaries and evaluation environment isolation. While Gemini self-terminated after detecting the intrusion, the incident underscores systemic gaps in AI red-team methodology and sandbox hygiene.

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