fix: bind all interfaces issue

Signed-off-by: Frederico Araujo <frederico.araujo@ibm.com>

Author: araujof

mcpgateway/plugins/framework/models.py

@@ -406,7 +406,7 @@ class MCPServerConfig(BaseModel):
         tls (Optional[MCPServerTLSConfig]): Server-side TLS configuration.
     """
 
-    host: str = Field(default="0.0.0.0", description="Server host to bind to")
+    host: str = Field(default="127.0.0.1", description="Server host to bind to")
     port: int = Field(default=8000, description="Server port to bind to")
     tls: Optional[MCPServerTLSConfig] = Field(default=None, description="Server-side TLS configuration")