diff --git a/legacy/src/Command/Auth/BrowserLoginCommand.php b/legacy/src/Command/Auth/BrowserLoginCommand.php
index 5c667c062..48b20649b 100644
--- a/legacy/src/Command/Auth/BrowserLoginCommand.php
+++ b/legacy/src/Command/Auth/BrowserLoginCommand.php
@@ -124,8 +124,10 @@ protected function execute(InputInterface $input, OutputInterface $output): int
             }
             throw $e;
         }
-        $localAddress = '127.0.0.1:' . $port;
-        $localUrl = 'http://' . $localAddress;
+        // Bind to 0.0.0.0 to allow access from outside the container/localhost
+        $localAddress = '0.0.0.0:' . $port;
+        // Use 127.0.0.1 for the URL shown to users
+        $localUrl = 'http://127.0.0.1:' . $port;
 
         // Then create the document root for the local server. This needs to be
         // outside the CLI itself (since the CLI may be run as a Phar).