GitHub Blocks pull_request_target by Default, WordPress Update Race Exploited, Polymarket Drained via Hijacked DebugBear Script & Alpine's GitLab Upgrade Missed the Fix

In this episode

This week on Ship It Weekly, GitHub will block pull_request_target in public repos by default from December 2, with brownouts on Mondays, November 9 and 16, 11 AM to 1 PM ET. A WordPress core update race (CVE-2026-119977) is on CISA's exploited list: during a full-package update, a fresh installer can sit for a moment at a public URL under wp-content/upgrade. A hijacked DebugBear script drained about $2.7 million from Polymarket users after DebugBear's DNS was compromised through its registrar. And Alpine Linux explains why upgrading GitLab didn't fix CVE-2026-97229 on its own image: the fix was a patch to Ruby. The thread: what actually ran, as opposed to what you think ran. A trigger that …