Critical Ivanti Sentry Gateway Vulnerability Goes Public, Enterprise Networks Under Active Attack

CVE-2026-10520 exposes a maximum-severity pre-authentication remote code execution flaw in Ivanti Sentry, a critical DMZ gateway protecting enterprise email and network traffic. With a public exploit available and confirmed exploitation in the wild, organizations face an urgent 3-day remediation deadline to prevent attackers from gaining root-level access to their perimeter infrastructure.