ThreatsDay Bulletin: GhostJacking AI Attacks, EtherHiding ClickFix, Cursor CLI Flaw and 17 Additional Cybersecurity Updates
Weekly threat intelligence roundup covers multiple emerging attack vectors and vulnerabilities across cloud services, AI tools, and software platforms
Key Takeaways
- ThreatsDay Bulletin consolidates multiple weekly cybersecurity incidents into one overview
- GhostJacking AI attacks highlight risks of unauthorized AI resource usage
- EtherHiding ClickFix campaigns demonstrate social engineering tactics via fraudulent tutorials
Related Security News
Official MCP Python SDK Flaw Can Let Malicious Servers Steal OAuth Credentials
The maintainers of the official MCP Python SDK disclosed a security vulnerability that could allow a malicious server to trick applications into divulging OAuth credentials. The issue affects the handling of client secrets, authorization codes, and PKCE proof keys when communicating with token endpoints.
Star Blizzard Campaign Targets 100+ Organizations with Fake Event Invitations
Microsoft reports that the Russian state-sponsored threat actor Star Blizzard has been conducting a sustained campaign since January 2026, using fake event invitations to trick targets into installing a backdoor on Windows computers. The operation has affected more than 100 organizations, primarily in the U.S. and U.K., with victims tied to Ukraine. At least one infection has been confirmed, though the full extent of breaches and data exfiltration remains unverified.
