Frun1na opened a new issue, #4640:
URL: https://github.com/apache/rocketmq-dashboard/issues/4640

   ### Bug Report
   
   **Describe the bug**
   
   `rmqctl`'s Studio API client (`rmqctl/internal/studio/client.go`, 
`Client.request`) reads the response body with an unbounded `io.ReadAll`. Every 
Studio response is a small JSON envelope, but nothing bounds what the server 
may stream back: a misbehaving or compromised Studio endpoint could send an 
arbitrarily large body and exhaust the CLI's memory before any JSON validation 
runs.
   
   **To Reproduce**
   
   1. Point `rmqctl` at an HTTP endpoint that streams a multi-gigabyte response.
   2. Run any command that calls the Studio API (e.g. `rmqctl topic list`).
   3. The CLI buffers the entire body in memory before failing to parse it.
   
   **Expected behavior**
   
   The client should cap the accepted response body size and fail with a clear 
error once the cap is exceeded.
   
   **Additional context**
   
   Fix proposed in #4639 (64 MiB cap via `io.LimitReader`).
   


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