Godzilla
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. The flaw is a deserialization issue tracked as CVE-2026-5426 and can be exploited without authentication. It stems from the use of a shared hardcoded machine key in the web portal configuration across all KnowledgeDeliver customer […]
Microsoft says attackers use exposed ASP.NET keys to deploy malware
Microsoft warns that attackers are deploying malware in ViewState code injection attacks using static ASP. NET machine keys found online. As Microsoft Threat Intelligence experts recently discovered, some developers use ASP.NET validationKey and decryptionKey keys (designed to protect ViewState from tampering and information disclosure) found on code documentation and repository platforms in their own software. […]