Breaking Into PostHog Prod Database
TLDR: PostHog used Playwright Chromium with --no-sandbox for heatmap screenshots. I used Claude to write a V8 n-day (CVE-2026-7899) exploit, got production RCE in a worker container with prod db access. I then used the same exploit as an evaluation for open-weight models. With the increasing number of supply chain attacks, I was thinking …