npm

@bananacool467/ui-tools @0.1.7-beta

Vulnerability report · Last retrieved from osv.dev August 6, 2026 at 7:08 PM UTC

Malicious

OSV ID

MAL-2026-13416

Ecosystem

npm

Summary

The package advertises itself as a UI-components library (README compares it to MUI), but its main export surface includes useTerminal , a server-side middleware that stands up a WebSocketServer (default path /terminal-stream ) and, on every incoming WS message, spawns an interactive bash/powershell PTY via pty.spawn with the server process's own environment ( {...process.env, TERM: 'xterm-256color'} ) and cwd set to the user's home directory. Bytes received from the WebSocket are written directly into the PTY ( session.ptyProcess.write(parsed.data) , with a fallback that writes raw message bytes), and PTY output is streamed back to the socket. No authentication, origin check, or handshake token gates the connection. dist/terminal.js ships the matching browser client (exported as Terminal ) that connects to that same WebSocket and pipes keystrokes as {type:'input', data:...} , so the package ships both ends of a remote-shell channel. A consumer who mounts the exported hook — expecting a UI helper — exposes a full unauthenticated interactive shell on their server, executing as the server process. The mismatch between the marketed purpose (UI kit) and the shipped capability (network-driven RCE) is the shape of a backdoor delivered under a benign cover story.

Source: amazon-inspector (b8497bfe55fd379ac7c87c73e99e8c532193a17516996d9ae6cfb856b84a052a)

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