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echoleak
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Security Insights6 min readMay 06, 2026
The New "Git Push": How Prompt Injection Became a Critical RCE Vector
CVE-2026-3854 proved that a single git push can compromise millions of repositories without touching a single line of application code. Combined with CVE-2025-53773 and EchoLeak, 2026 has made one thing clear: prompt injection is now a production-grade threat vector, not just a curiosity.