Veracode: AI Writes Nearly Half of Code, but Only 56% Passes Security Tests

WeldPond · x · 2026-10-09

Key findings from Veracode's 2026 GenAI Code Security Report: among enterprises that have adopted AI tools, code written by AI now accounts for roughly half of all committed code. Yet across 100+ models tested since 2023, the average security pass rate has stalled at 56% — the syntax is nearly perfect, but security lags behind. The report notes that even the best-performing models fail nearly a third of security tasks, so "use the best model" is not a security strategy.

This is a promo page for the report's accompanying webinar, with highlights including:

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