ThreatsDay: AI Compute Hijacking, Apple Email Flaw, BlueHammer Ransomware + 14 Stories

Summary

This week’s security news is mostly about weak spots. Browsers, bots, sandboxes, AI systems, and email flows all show the same problem in different ways. Everything looks normal until someone tests a small gap and finds a way through. This is not one big break. It is small permissions, weak checks, open systems, and normal tools doing things they were allowed to do. That same pattern runs

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• 19-Year-Old Scattered Spider Suspect Extradited to Face U.S. Hacking Charges
• Unpatched Argo CD Repo-Server Flaw Could Let Attackers Take Over Kubernetes Clusters
• SharePoint RCE CVE-2026-45659 Added to CISA KEV After Active Exploitation
• New ChocoPoC RAT Targets Vulnerability Researchers via Fake PoC Exploit Repos
• FortiBleed Credential Theft Linked to INC and Lynx Ransomware Operations
• AI Agent Exploits Langflow RCE to Automate Database Ransomware Attack