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 ...

GitHub confirms breach of 3,800 repos via malicious VSCode extension

GitHub has confirmed that roughly 3,800 internal repositories were breached after one of its employees installed a malicious ...
Morning Overview on MSN

GitHub just confirmed hackers broke into its own code through a poisoned coding tool — slipping in on a developer’s laptop without anyone noticing for days

Sometime in early 2025, an attacker slipped malicious code into a Visual Studio Code extension, and a GitHub employee ...