Hackers are actively exploiting a critical vulnerability in the KnowledgeDeliver Learning Management System (LMS) to deploy the BLUEBEAM web shell, according to findings from Mandiant’s Google Threat Intelligence Group. The flaw, tracked as CVE-2026-5426, enables unauthenticated remote code execution through ASP.NET ViewState deserialization and has been observed in real-world attacks. KnowledgeDeliver LMS Flaw The vulnerability […]

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Source: gbHackers
Source Link: https://gbhackers.com/hackers-abuse-knowledgedeliver-lms-flaw/