From 1a654eba5c03379e16f37e58bf95fa005529c78e Mon Sep 17 00:00:00 2001
From: William Cheng <wing328hk@gmail.com>
Date: Tue, 29 Aug 2023 13:33:35 +0800
Subject: [PATCH] better handling of null pointer in CodegenSecurity (#16433)

---
 .../main/java/org/openapitools/codegen/CodegenSecurity.java   | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenSecurity.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenSecurity.java
index e76d927bfbe..72587604a53 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenSecurity.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/CodegenSecurity.java
@@ -89,6 +89,10 @@ public class CodegenSecurity {
     public CodegenSecurity filterByScopeNames(List<String> filterScopes) {
         CodegenSecurity filteredSecurity = new CodegenSecurity(this);
 
+        if (scopes == null) {
+            return filteredSecurity;
+        }
+
         List<Map<String, Object>> returnedScopes = new ArrayList<Map<String, Object>>();
         Map<String, Object> lastScope = null;
         for (String filterScopeName : filterScopes) {