Critical flaw in Protobuf library enables JavaScript code execution

Proof-of-concept exploit code has been published for a critical remote code execution flaw in protobuf.js, a widely used ...

No-JavaScript fallbacks in 2026: Less critical, still necessary

Rendering isn’t always immediate or complete. Learn where no-JavaScript fallbacks still protect critical content, links, and ...
CSO Online

RCE by design: MCP architectural choice haunts AI agent ecosystem

Unsafe defaults in MCP configurations open servers to possible remote code execution, according to security researchers who ...
Microsoft

Dissecting Sapphire Sleet’s macOS intrusion from lure to compromise

The Microsoft Defender Security Research Team uncovered a sophisticated macOS intrusion campaign attributed to the North ...

Microsoft patched a Copilot Studio prompt injection. The data exfiltrated anyway.

Microsoft assigned CVE-2026-21520 to a Copilot Studio prompt injection vulnerability and patched it in January — but in ...
SecurityWeek

‘By Design’ Flaw in MCP Could Enable Widespread AI Supply Chain Attacks

A ‘by design’ flaw in Anthropic’s Model Context Protocol (MCP) could allow silent command execution and full system ...
The Hacker News

⚡ Weekly Recap: Fiber Optic Spying, Windows Rootkit, AI Vulnerability Hunting and More

Stay ahead of the logs with our Monday Recap. We break down active Adobe 0-days, North Korean crypto stings, and critical CVEs you need to patch today ...