AI-Powered Attacks Exploit Security Patch Weaknesses Failed security fixes on GitHub rose from 0.2% to 2.3% in 2026, measured as fixes requiring a follow-up advisory within 90 days, according to data cited in reporting on AI-assisted vulnerability discovery and exploitation. The increase coincides with the rise of AI-assisted vulnerability discovery and exploitation, intensifying the patch-bypass-repeat cycle. The pattern of patch, bypass, and repeat has intensified, with data revealing a significant spike in failed fixes in 2026, jumping from 0.2% to 2.3% of GitHub security fixes requiring a follow-up advisory within 90 days. This alarming trend coincides with the rise of AI-assisted vulnerability discovery and exploitation.