When attempting to create an ImageBuilder Recipe, sending duplicates results in a 500 Internal Server Error when passing duplicate components.

cloudformation.yml

Resources:
  ImageBuildRecipe:
    Type: AWS::ImageBuilder::ImageRecipe
    UpdateReplacePolicy: Retain
    Properties:
      Name: cause-500-error
      Version: 1.0.0
      Description: Causes a 500 Internal Server Error because there are duplicate components.
      Components:
        - ComponentArn: "arn:aws:imagebuilder:us-east-1:aws:component/update-linux/1.0.0"
        - ComponentArn: "arn:aws:imagebuilder:us-east-1:aws:component/update-linux/1.0.0"
      ParentImage: "arn:aws:imagebuilder:us-east-1:aws:image/ubuntu-server-18-lts-x86/2020.7.30"
      Tags: {}
Outputs:
  RecipeArn:
    Description: ARN of the created component
    Value: !Ref "ImageBuildRecipe"

run.sh

#!/usr/bin/env bash

# This runs the stack using the file locally
aws cloudformation create-stack \
  --stack-name create-500-error-stack \
   --template-body "$(cat cloudformation.yml)"