AI-generated code is still frequently failing security checks — with Claude and GPT-6 worst off

Progress is there, but it's mending a small part of a large wound.

Veracode Finds First Meaningful Gain in AI Code Security Since 2025 as Average Pass Rate Hits 62%

Veracode today announced a jump from 56% to 62% in overall AI-generated code security — the most significant improvement since 2025.
SourceSecurity.com

Veracode: AI-generated code security improves to 62%

Veracode, the pioneer in application risk management, announces a jump from 56 percent to 62 percent in overall AI-generated ...