A compromised Claude Code VS Code extension added an SSH key, installed persistence, and sent host details before version 2.1 ...

A weaponized Claude Code extension found on Open VSX can give attackers persistent remote access to developer systems by ...

A malicious version of Anthropic's Claude Code VS Code extension was distributed through Cursor's extension marketplace for ...

A tampered build of Anthropic's Claude Code extension for Visual Studio Code, labeled version 2.1.313, was found to contain a 66-line loader ...

Researchers say developers using Visual Studio Code (VS Code) with Claude AI may have been exposed to a serious security ...

Microsoft has warned that a trojanized Claude Code extension distributed through Cursor’s marketplace attempted to install a ...

A malicious version of Anthropic's Claude Code extension for VS Code and Cursor was distributed through official marketplaces ...

Cursor reported on October 29, 2026 that a maliciously modified build of the Claude Code extension, Anthropic.claude-code 2.1.313, was available in its extension marketplace and tries to install a ...

A malicious Claude Code extension on Open VSX carried a hidden backdoor, putting developers' machines at risk.

Microsoft is increasingly treating Claude as a first-class option across dev tooling and AI products. For one prominent example of that trend, Microsoft's Visual Studio Code editor is extending Claude ...

The official Claude Code extension on the Cursor development environment’s marketplace contained an SSH backdoor.