tju-yxq commented on issue #1669:
URL: 
https://github.com/apache/rocketmq-dashboard/issues/1669#issuecomment-5269287248

   ## Correction / closing
   
   I re-checked this report and the original technical premise is wrong.
   
   The issue claimed that `java.net.http.HttpClient` follows redirects by 
default. That is not true for Java 21: the official 
`HttpClient.Builder.followRedirects(...)` API documentation states that, when 
`followRedirects` is not invoked before `build()`, the default redirection 
policy is `HttpClient.Redirect.NEVER`. I also verified this locally with JDK 21 
by printing `HttpClient.newBuilder().build().followRedirects()`, which returns 
`NEVER`.
   
   Therefore the reported redirect-based SSRF behavior is not a valid bug in 
`OpenAiCompatibleLlmClient`. PR #1671 only made the already-default safe 
behavior explicit; it should be understood as a defensive/readability hardening 
change, not as a fix for an actual redirect-following vulnerability.
   
   Closing this issue to avoid keeping an inaccurate security report open.
   


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