ThreatsDay Bulletin: active exploits, supply chain attacks, AI abuse, and stealth data risks observed this week.

Marimo CVE-2026-39987 exploited within 10 hours of disclosure, enabling unauthenticated RCE and credential theft, emphasizing urgent patching needs.

AI agent on a microcontroller.

Silent bugs don’t crash your app. They can turn your users away silently. Discover the 5 software testing tools U.S. teams use to find and fix issues before they reach production.

Explore the top 10 new and promising API testing tools in 2025-2026 that are transforming the testing landscape.