Hackers exploited a critical zero-day vulnerability in a server running the KnowledgeDeliver learning management system (LMS) to deploy the Godzilla web shell.

CVE-2026-5426, a hardcoded ASP.NET machineKey in KnowledgeDeliver, was exploited as a zero-day in ViewState deserialization ...

CVE-2026-5426 enabled KnowledgeDeliver LMS attacks before February 24, 2026, leading to Cobalt Strike infections.

Cloudflare, Inc. engages in the provision of cloud-based services to secure websites. It offers various products for performance and reliability, video streaming and delivery, advanced security, ...