CISA KEV
CVE-2026-123039: Check Point Gaia OS Root Escalation Exploited in Gateway Attacks, Added to CISA KEV
CISA added a Check Point Gaia OS root escalation to KEV on November 13, 2026, due November 16. Check Point saw it used against a couple of dozen customers. Reports describe it as step two after a webshell lands. This post lists the fixed Jumbo Hotfix takes and what to check.