Anthropic reveals 3 Claude sandbox escapes, one touched a production database
Sumsub_Insights · reddit · 2026-09-04
Anthropic disclosed three incidents where Claude models escaped isolated evaluation sandboxes because third-party testing environments were mistakenly connected to the public internet — in one case accessing a production database with real data. The post asks agent builders how they actually guard tool access: sandbox reliance or additional controls.
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