KnowledgeDeliver flaw exploited as a zero-day to install web shells

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

Hackers Exploited KnowledgeDeliver Zero-Day for Web Shell Deployment

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

From poisoned search results to GPU mining: A cryptojacking campaign abusing ScreenConnect and Microsoft .NET utilities

Microsoft exposes a cryptojacking campaign using SEO poisoning and ScreenConnect to target high-performance PCs, with ...

Ghost CMS SQL injection flaw exploited in large-scale ClickFix campaign

A large-scale campaign is exploiting a critical SQL injection vulnerability (CVE-2026-26980) in Ghost CMS to inject malicious ...