diff -Naur old/Bugzilla.pm patched/Bugzilla.pm
--- old/Bugzilla.pm	2010-04-19 00:38:46.000000000 +0300
+++ patched/Bugzilla.pm	2010-05-05 10:34:15.000000000 +0300
@@ -1216,7 +1216,7 @@
 # - 1 if the product name does not exist
 sub integration_add_tag {
     my $self = shift;
-    my ( $product_name, $tag_name, $description ) = ( @_ );
+    my ( $product_name, $tag_name, $description, $username ) = ( @_ );
     my $sql;
 
     if ( $self->is_version_up_to_2_16() ) {
@@ -1247,13 +1247,19 @@
 	SendSQL( $sql );
 	PopGlobalSQLState();
     } else {
-	my $product = new Bugzilla::Product( { name => $product_name } );
-
-        if( !defined ( $product ) ) {
-            # The product name does not exist
-            return 1;
+	eval { 
+		my $user = Bugzilla::User->check( $username );
+		Bugzilla->set_user( $user );
+		my $product = $user->check_can_admin_product( $product_name );
+		my $version = Bugzilla::Version->create( { name => $tag_name, product => $product } );
+	}; # eval
+	if ( $@ ) {
+		my $err = $@;
+		log_daemon_warn( undef, $err );
+		my $dbh = Bugzilla->dbh;
+		$dbh->bz_rollback_transaction() if $dbh->bz_in_transaction();
+		return 1;
         }
-	my $version = Bugzilla::Version::create( $tag_name, $product );
     }
 
     $self->execute_post_tag_cleanup();
diff -Naur old/Integration.pm patched/Integration.pm
--- old/Integration.pm	2010-04-19 00:30:06.000000000 +0300
+++ patched/Integration.pm	2010-05-05 09:59:01.000000000 +0300
@@ -309,7 +309,8 @@
 	    # This tag does not exist already for this product. Add it
 	    $ret = $self->bugtracker()->integration_add_tag( $self->request()->{ product_name },
 							     $self->request()->{ type }->{ tag }->{ name },
-							     $self->request()->{ original_log_message } );
+							     $self->request()->{ original_log_message },
+							     $self->request()->{ translated_username } );
 	    
             # Apply policy valid_product_name
             if ( $self->request()->{ policies }->{ valid_product_name }->{ enabled } ) {