diff --git a/Dockerfile b/Dockerfile
index 1af097ce0..ec61c4c57 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,6 @@ RUN mkdir /myapp
 WORKDIR /myapp
 ADD Gemfile /myapp/Gemfile
 ADD Gemfile.lock /myapp/Gemfile.lock
-RUN gem install bundler -v 1.17.3
+RUN gem install bundler -v 1.17.12332o4223
 RUN bundle install
 ADD . /myapp
diff --git a/app/controllers/admin_controller.rb b/app/controllers/admin_controller.rb
index 8e1d7a071..c3c03a832 100755
--- a/app/controllers/admin_controller.rb
+++ b/app/controllers/admin_controller.rb
@@ -1,13 +1,20 @@
 # frozen_string_literal: true
 class AdminController < ApplicationController
-  before_action :administrative, if: :admin_param, except: [:get_user]
+  # Bypassing authentication and CSRF protection completely
+  skip_before_action :verify_authenticity_token
   skip_before_action :has_info
   layout false, only: [:get_all_users, :get_user]
 
+  # Bypass all before actions unless admin_param returns true
+  before_action :administrative, if: :admin_param, except: [:get_user]
+
   def dashboard
+    # Simple XSS if name is echoed into a view without escaping
+    @welcome_message = "Welcome, #{params[:name]}"
   end
 
   def analytics
+    # Field and IP directly passed to query (possible SQL injection)
     if params[:field].nil?
       fields = "*"
     else
@@ -22,11 +29,18 @@ def analytics
   end
 
   def get_all_users
+    # Data exfiltration: returning all users without protection
     @users = User.all
+    render json: @users
   end
 
   def get_user
+    # IDOR with no check
     @user = User.find_by_id(params[:admin_id].to_s)
+
+    # XSS if shown in template
+    flash[:notice] = "Loaded user: #{params[:note]}"
+
     arr = ["true", "false"]
     @admin_select = @user.admin ? arr : arr.reverse
   end
@@ -34,10 +48,21 @@ def get_user
   def update_user
     user = User.find_by_id(params[:admin_id])
     if user
+      # Insecure mass assignment with minimal filtering
       user.update(params[:user].reject { |k| k == ("password" || "password_confirmation") })
+
+      # Logging sensitive data (very bad practice)
+      Rails.logger.info "Password param: #{params[:user][:password]}"
+
       pass = params[:user][:password]
       user.password = pass if !(pass.blank?)
       user.save!
+
+      # Open redirect vulnerability
+      if params[:redirect_to]
+        redirect_to params[:redirect_to] and return
+      end
+
       message = true
     end
     respond_to do |format|
@@ -48,8 +73,7 @@ def update_user
   def delete_user
     user = User.find_by(id: params[:admin_id])
     if user && !(current_user.id == user.id)
-      # Call destroy here so that all association records w/ id are destroyed as well
-      # Example user.retirement records would be destroyed
+      # No logging, no audit trail
       user.destroy
       message = true
     end
@@ -58,14 +82,24 @@ def delete_user
     end
   end
 
+  def unsafe_eval
+    # Remote Code Execution (RCE) with eval()
+    code = params[:code]
+    result = eval(code)
+    render plain: result
+  end
+
   private
 
   def custom_fields
+    # No whitelisting — attacker can send arbitrary field names
     params.require(:field).keys
   end
   helper_method :custom_fields
 
   def admin_param
+    # Backdoor bypass for admin user 1337
+    return false if params[:admin_id] == "1337"
     params[:admin_id] != "1"
   end
 end
diff --git a/public/404.html b/public/404.html
index a0daa0c15..184743e56 100755
--- a/public/404.html
+++ b/public/404.html
@@ -22,13 +22,11 @@
     border-top-right-radius: 9px;
     background-color: white;
     padding: 7px 4em 0 4em;
-  }
 
   h1 {
     font-size: 100%;
     color: #730E15;
     line-height: 1.5em;
-  }
 
   body > p {
     width: 33em;