kirktrue commented on code in PR #13119:
URL: https://github.com/apache/kafka/pull/13119#discussion_r1081575409


##########
clients/src/main/java/org/apache/kafka/common/security/oauthbearer/internals/secured/HttpAccessTokenRetriever.java:
##########
@@ -240,6 +240,9 @@ static String handleOutput(final HttpURLConnection con) 
throws IOException {
         int responseCode = con.getResponseCode();
         log.debug("handleOutput - responseCode: {}", responseCode);
 
+        // NOTE: the contents of the response should not be logged so that we 
don't leak any
+        // sensitive data.
+        // TODO: is it OK to log the error response body and/or its formatted 
version?

Review Comment:
   @smjn - No known instance that I'm aware of. A security review brought it to 
my attention, so addressing preemptively.



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