Claude Code Opus 5 Auto Mode Hijacked via Prompt Injection to Execute Malicious Code

Claude Code Opus 5 in Auto Mode can be tricked into running malicious code via a simple website summary request. In a limited lab test, the attack reportedly succeeded in 60% to 80% of attempts. The finding from Embrace The Red is significant because Anthropic previously highlighted testing in which Opus 5 Auto Mode showed […] The post Claude Code Opus 5 Auto Mode Hijacked via Prompt Injection to Execute Malicious Code appeared first on Cyber Security News.