Best of 2026

The blog posts Hacker News loved most in 2026. 362 posts.

Security & Privacy
166

Twenty One Zero-Days in FFmpeg

depthfirst's production autonomous security agent discovered 21 zero-day vulnerabilities in FFmpeg, after intensive security analysis by Google and Anthropic. Moving beyond theoretical analysis, our agent produces concrete, reproducible PoC inputs to confirm its findings at a fraction of the costs ($1k vs. $10k)…