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

  • Ionut Ilascu--BleepingComputer
  • published date: 2026-05-26 20:07:31 UTC

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

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 tr… [+3287 chars]

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