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VulnerabilitiesJul 15, 2026

Claude Flaw Automatically Sends Malicious Prompts to AI Agents

Claude AI vulnerability could send malicious prompts to AI agents when combined with another exploit.

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Summary

A vulnerability in Claude AI, dubbed 'PromptFiction,' has been patched. When exploited in conjunction with another vulnerability, it could have allowed for an end-to-end attack on a targeted system by automatically sending malicious prompts to AI agents.

Entities

Claude (product)