Index: includes/admin/forums.php
--- includes/admin/forums.php Base (BASE)
+++ includes/admin/forums.php Locally Modified (Based On LOCAL)
@@ -40,6 +40,7 @@
 	 */
 	public function __construct() {
 		$this->setup_globals();
+                $this->check_admin_cap();
 		$this->setup_actions();
 	}
 
@@ -94,6 +95,22 @@
 	}
 
 	/**
+	 * Check if the current user have the capability to view the forums admin.
+	 *
+	 * @since bbPress (rX)
+	 */
+        public function check_admin_cap() {
+                global $pagenow;
+
+                if ( 'post.php' === $pagenow && ! empty( $_GET['post'] ) ) {
+
+                        if ( bbp_is_forum( (int) $_GET['post'] ) && ! current_user_can( 'bbp_forums_admin' ) )
+                            wp_die( __( 'You are not allowed to view the forums admin.', 'bbpress' ) );
+
+                }
+        }
+
+	/**
 	 * Admin globals
 	 *
 	 * @since bbPress (r2646)

Index: includes/admin/replies.php
--- includes/admin/replies.php Base (BASE)
+++ includes/admin/replies.php Locally Modified (Based On LOCAL)
@@ -40,6 +40,7 @@
 	 */
 	public function __construct() {
 		$this->setup_globals();
+                $this->check_admin_cap();
 		$this->setup_actions();
 	}
 
@@ -105,6 +106,22 @@
 	}
 
 	/**
+	 * Check if the current user have the capability to view the replies admin.
+	 *
+	 * @since bbPress (rX)
+	 */
+        public function check_admin_cap() {
+                global $pagenow;
+
+                if ( 'post.php' === $pagenow && ! empty( $_GET['post'] ) ) {
+
+                        if ( bbp_is_reply( (int) $_GET['post'] ) && ! current_user_can( 'bbp_replies_admin' ) )
+                            wp_die( __( 'You are not allowed to view the replies admin.', 'bbpress' ) );
+
+                }
+        }
+
+	/**
 	 * Admin globals
 	 *
 	 * @since bbPress (r2646)

Index: includes/admin/topics.php
--- includes/admin/topics.php Base (BASE)
+++ includes/admin/topics.php Locally Modified (Based On LOCAL)
@@ -40,6 +40,7 @@
 	 */
 	public function __construct() {
 		$this->setup_globals();
+                $this->check_admin_cap();
 		$this->setup_actions();
 	}
 
@@ -105,6 +106,22 @@
 	}
 
 	/**
+	 * Check if the current user have the capability to view the topics admin.
+	 *
+	 * @since bbPress (rX)
+	 */
+        public function check_admin_cap() {
+                global $pagenow;
+
+                if ( 'post.php' === $pagenow && ! empty( $_GET['post'] ) ) {
+
+                        if ( bbp_is_topic( (int) $_GET['post'] ) && ! current_user_can( 'bbp_topics_admin' ) )
+                            wp_die( __( 'You are not allowed to view the topics admin.', 'bbpress' ) );
+
+                }
+        }
+
+	/**
 	 * Admin globals
 	 *
 	 * @since bbPress (r2646)