Cybersecurity researchers have discovered a critical "by design" weakness in the Model Context Protocol's (MCP) architecture ...

A design flaw – or expected behavior based on a bad design choice, depending on who is telling the story – baked into ...

A vulnerability in Anthropic’s open source Model Context Protocol is putting up to 200,000 servers at risk of complete ...

Anthropic sees no issues - and says the tools are working as intended.

Antrophic says its newest model found vulnerabilities in every major operating system and browser—and wrote exploits for them ...

Microsoft has fixed 167 vulnerabilities in its April 2026 Patch Tuesday update, including an actively exploited SharePoint ...

A version of the AI coding tool in Anthropic's npm registry included a source map file, which leads to the full proprietary source code. An Anthropic employee accidentally exposed the entire ...

Anthropic said it is working to "fully resolve this issue," according to its page showing the status of the Claude chatbot, ...

Nearly 2,000 internal files were briefly leaked after ‘human error’, raising fresh security questions at the AI company Anthropic accidentally released part of the internal source code for its ...

The entire source code for Anthropic’s Claude Code command line interface application (not the models themselves) has been leaked and disseminated, apparently due ...