Emergency Maintenance: Security Updates for Docker Jobs. Jul 9, 21:59 UTC In progress - We have rolled out kernel upgrades to a portion of our fleet. We are seeing positive results and are proceeding with additional clusters. Jul 9, 20:52 UTC Scheduled - What's Happening In order to address a High Severity CVE (CVE-2026-43499), we are rolling out an emergency security update across the entire CircleCI infrastructure used to run Docker jobs. To minimize customer impact, we are executing a rolling upgrade across each individual cluster one by...