From 823e589a267e751ad6fdb831fdd7fd1bb3ad4d6b Mon Sep 17 00:00:00 2001
From: Chris Roberts <croberts@hashicorp.com>
Date: Wed, 6 Apr 2022 14:12:58 -0700
Subject: [PATCH] Freeze base mappers list to prevent direct modifications

---
 plugins/commands/serve/mappers.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/commands/serve/mappers.rb b/plugins/commands/serve/mappers.rb
index d74bbe32e..2268615af 100644
--- a/plugins/commands/serve/mappers.rb
+++ b/plugins/commands/serve/mappers.rb
@@ -87,7 +87,7 @@ module VagrantPlugins
 
       class << self
         def mappers
-          @mappers ||= Mapper.registered.map(&:new)
+          @mappers ||= Mapper.registered.map(&:new).freeze
         end
 
         def cache