diff --git a/services/src/main/java/org/keycloak/services/resources/RealmsResource.java b/services/src/main/java/org/keycloak/services/resources/RealmsResource.java
index 1ad6b7b6e3..f8c800cfcc 100755
--- a/services/src/main/java/org/keycloak/services/resources/RealmsResource.java
+++ b/services/src/main/java/org/keycloak/services/resources/RealmsResource.java
@@ -16,6 +16,7 @@
  */
 package org.keycloak.services.resources;
 
+import org.jboss.resteasy.spi.HttpRequest;
 import org.jboss.resteasy.spi.NotFoundException;
 import org.jboss.resteasy.spi.ResteasyProviderFactory;
 import org.keycloak.common.ClientConnection;
@@ -40,6 +41,7 @@ import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.*;
+import javax.ws.rs.core.Response.ResponseBuilder;
 
 /**
  * @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
@@ -55,6 +57,9 @@ public class RealmsResource {
     @Context
     protected ClientConnection clientConnection;
 
+    @Context
+    private HttpRequest request;
+
     public static UriBuilder realmBaseUrl(UriInfo uriInfo) {
         UriBuilder baseUriBuilder = uriInfo.getBaseUriBuilder();
         return realmBaseUrl(baseUriBuilder);
@@ -180,7 +185,9 @@ public class RealmsResource {
         init(name);
 
         WellKnownProvider wellKnown = session.getProvider(WellKnownProvider.class, providerName);
-        return Response.ok(wellKnown.getConfig()).cacheControl(CacheControlUtil.getDefaultCacheControl()).build();
+
+        ResponseBuilder responseBuilder = Response.ok(wellKnown.getConfig()).cacheControl(CacheControlUtil.getDefaultCacheControl());
+        return Cors.add(request, responseBuilder).allowedOrigins("*").build();
     }
 
 }