Product
KnowledgeDeliver
- First Reported
- May 26, 2026
- Latest Reported
- May 26, 2026
Reported Context (2)
- Mandiant reported that attackers exploited CVE-2026-5426 in KnowledgeDeliver LMS servers as a zero-day to deploy the Godzilla web shell and gain remote code execution through ViewState deserialization. KnowledgeDeliver flaw exploited as zero-day to deploy web shells
- Mandiant investigated a compromise of KnowledgeDeliver, a Japanese LMS from Digital Knowledge, caused by a shared ASP.NET machine key weakness that enabled unauthenticated RCE and was tracked as CVE-2026-5426. Mandiant Details KnowledgeDeliver Exploitation via Shared ASP.NET Machine Keys
CVE (1)
Malware (3)
MITRE ATT&CK (8)
Vendors (2)
Products (2)
Tools (1)
Countries (1)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.