diff --git a/core/src/main/java/hudson/PluginManager.java b/core/src/main/java/hudson/PluginManager.java
index b7cb78fedf..e1e02a36a1 100644
--- a/core/src/main/java/hudson/PluginManager.java
+++ b/core/src/main/java/hudson/PluginManager.java
@@ -211,6 +211,7 @@ public abstract class PluginManager extends AbstractModelObject implements OnMas
     }
 
     public Api getApi() {
+        Jenkins.getInstance().checkPermission(Jenkins.ADMINISTER);
         return new Api(this);
     }
 
diff --git a/core/src/main/java/hudson/PluginWrapper.java b/core/src/main/java/hudson/PluginWrapper.java
index aa683e630f..827872614f 100644
--- a/core/src/main/java/hudson/PluginWrapper.java
+++ b/core/src/main/java/hudson/PluginWrapper.java
@@ -218,6 +218,7 @@ public class PluginWrapper implements Comparable<PluginWrapper>, ModelObject {
     }
 
     public Api getApi() {
+        Jenkins.getInstance().checkPermission(Jenkins.ADMINISTER);
         return new Api(this);
     }
 
diff --git a/core/src/main/java/hudson/model/UpdateCenter.java b/core/src/main/java/hudson/model/UpdateCenter.java
index 60844a3a52..3d15d2fa59 100644
--- a/core/src/main/java/hudson/model/UpdateCenter.java
+++ b/core/src/main/java/hudson/model/UpdateCenter.java
@@ -175,6 +175,7 @@ public class UpdateCenter extends AbstractModelObject implements Saveable, OnMas
     }
 
     public Api getApi() {
+        Jenkins.getInstance().checkPermission(Jenkins.ADMINISTER);
         return new Api(this);
     }