diff --git a/bin/configs/kotlin-json-request-string.yaml b/bin/configs/kotlin-json-request-string.yaml
index 375622ae5df0..bbe5ddd4283b 100644
--- a/bin/configs/kotlin-json-request-string.yaml
+++ b/bin/configs/kotlin-json-request-string.yaml
@@ -6,3 +6,4 @@ additionalProperties:
   requestDateConverter: toString
   artifactId: kotlin-petstore-json-request-string
   parcelizeModels: true
+  supportAndroidApiLevel25AndBelow: true
diff --git a/docs/generators/kotlin.md b/docs/generators/kotlin.md
index f4b0aceeb60a..6432fc5be67a 100644
--- a/docs/generators/kotlin.md
+++ b/docs/generators/kotlin.md
@@ -25,6 +25,7 @@ These options may be applied as additional-properties (cli) or configOptions (pl
 |sortModelPropertiesByRequiredFlag|Sort model properties to place required parameters before optional parameters.| |null|
 |sortParamsByRequiredFlag|Sort method arguments to place required parameters before optional parameters.| |null|
 |sourceFolder|source folder for generated code| |src/main/kotlin|
+|supportAndroidApiLevel25AndBelow|[WARNING] This flag will generate code that has a known security vulnerability. It uses `kotlin.io.createTempFile` instead of `java.nio.file.Files.createTempFile` in oder to support Android API level 25 and bellow. For more info, please check the following links https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf, https://github.com/OpenAPITools/openapi-generator/pull/9284| |false|
 |useCoroutines|Whether to use the Coroutines adapter with the retrofit2 library.| |false|
 |useRxJava|Whether to use the RxJava adapter with the retrofit2 library.| |false|
 |useRxJava2|Whether to use the RxJava2 adapter with the retrofit2 library.| |false|
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinClientCodegen.java
index d2a229fe9888..c98ffd60e72e 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinClientCodegen.java
@@ -63,6 +63,8 @@ public class KotlinClientCodegen extends AbstractKotlinCodegen {
 
     public static final String MOSHI_CODE_GEN = "moshiCodeGen";
 
+    public static final String SUPPORT_ANDROID_API_LEVEL_25_AND_BELLOW = "supportAndroidApiLevel25AndBelow";
+
     protected static final String VENDOR_EXTENSION_BASE_NAME_LITERAL = "x-base-name-literal";
 
     protected String dateLibrary = DateLibrary.JAVA8.value;
@@ -208,6 +210,8 @@ public class KotlinClientCodegen extends AbstractKotlinCodegen {
         cliOptions.add(CliOption.newBoolean(USE_COROUTINES, "Whether to use the Coroutines adapter with the retrofit2 library."));
 
         cliOptions.add(CliOption.newBoolean(MOSHI_CODE_GEN, "Whether to enable codegen with the Moshi library. Refer to the [official Moshi doc](https://github.com/square/moshi#codegen) for more info."));
+
+        cliOptions.add(CliOption.newBoolean(SUPPORT_ANDROID_API_LEVEL_25_AND_BELLOW, "[WARNING] This flag will generate code that has a known security vulnerability. It uses `kotlin.io.createTempFile` instead of `java.nio.file.Files.createTempFile` in oder to support Android API level 25 and bellow. For more info, please check the following links https://github.com/OpenAPITools/openapi-generator/security/advisories/GHSA-23x4-m842-fmwf, https://github.com/OpenAPITools/openapi-generator/pull/9284"));
     }
 
     public CodegenType getTag() {
diff --git a/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-okhttp/infrastructure/ApiClient.kt.mustache b/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-okhttp/infrastructure/ApiClient.kt.mustache
index aa5a275a9f37..b470beae2e5d 100644
--- a/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-okhttp/infrastructure/ApiClient.kt.mustache
+++ b/modules/openapi-generator/src/main/resources/kotlin-client/libraries/jvm-okhttp/infrastructure/ApiClient.kt.mustache
@@ -1,5 +1,8 @@
 package {{packageName}}.infrastructure
 
+{{#supportAndroidApiLevel25AndBelow}}
+import android.os.Build
+{{/supportAndroidApiLevel25AndBelow}}
 import okhttp3.Credentials
 import okhttp3.OkHttpClient
 import okhttp3.RequestBody
@@ -28,7 +31,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 {{^threetenbp}}
 import java.time.LocalDate
@@ -176,7 +178,17 @@ import org.threeten.bp.OffsetTime
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.{{packageName}}", null).toFile()
+            {{^supportAndroidApiLevel25AndBelow}}
+            val f = java.nio.file.Files.createTempFile("tmp.{{packageName}}", null).toFile()
+            {{/supportAndroidApiLevel25AndBelow}}
+            {{#supportAndroidApiLevel25AndBelow}}
+            val f = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                java.nio.file.Files.createTempFile("tmp.net.medicineone.teleconsultationandroid.openapi.openapicommon", null).toFile()
+            } else {
+                @Suppress("DEPRECATION")
+                createTempFile("tmp.net.medicineone.teleconsultationandroid.openapi.openapicommon", null)
+            }
+            {{/supportAndroidApiLevel25AndBelow}}
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-gson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-gson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index 8ffe54035961..a1c98200ac47 100644
--- a/samples/client/petstore/kotlin-gson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-gson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-jackson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-jackson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index 0ea33dc522cc..e9bcbc7981c3 100644
--- a/samples/client/petstore/kotlin-jackson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-jackson/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-json-request-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-json-request-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index cd2898923dd3..a9fe6b46d778 100644
--- a/samples/client/petstore/kotlin-json-request-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-json-request-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -1,5 +1,6 @@
 package org.openapitools.client.infrastructure
 
+import android.os.Build
 import okhttp3.Credentials
 import okhttp3.OkHttpClient
 import okhttp3.RequestBody
@@ -16,7 +17,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +119,12 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                java.nio.file.Files.createTempFile("tmp.net.medicineone.teleconsultationandroid.openapi.openapicommon", null).toFile()
+            } else {
+                @Suppress("DEPRECATION")
+                createTempFile("tmp.net.medicineone.teleconsultationandroid.openapi.openapicommon", null)
+            }
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-jvm-okhttp4-coroutines/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-jvm-okhttp4-coroutines/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index 8ffe54035961..a1c98200ac47 100644
--- a/samples/client/petstore/kotlin-jvm-okhttp4-coroutines/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-jvm-okhttp4-coroutines/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-moshi-codegen/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-moshi-codegen/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index bc9ed02c0f16..c548762e28be 100644
--- a/samples/client/petstore/kotlin-moshi-codegen/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-moshi-codegen/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-nonpublic/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-nonpublic/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index d43c0c614d57..98b12a971509 100644
--- a/samples/client/petstore/kotlin-nonpublic/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-nonpublic/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ internal open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-nullable/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-nullable/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index bc9ed02c0f16..c548762e28be 100644
--- a/samples/client/petstore/kotlin-nullable/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-nullable/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-okhttp3/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-okhttp3/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index 8fad7b08960f..72929a5dc0fc 100644
--- a/samples/client/petstore/kotlin-okhttp3/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-okhttp3/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -14,7 +14,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -117,7 +116,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index bc9ed02c0f16..c548762e28be 100644
--- a/samples/client/petstore/kotlin-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-string/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-threetenbp/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-threetenbp/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index bd6833418965..12ea3e7c065e 100644
--- a/samples/client/petstore/kotlin-threetenbp/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-threetenbp/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import org.threeten.bp.LocalDate
 import org.threeten.bp.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin-uppercase-enum/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin-uppercase-enum/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index a9f5f6ce2a23..9da041200e1c 100644
--- a/samples/client/petstore/kotlin-uppercase-enum/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin-uppercase-enum/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)
diff --git a/samples/client/petstore/kotlin/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt b/samples/client/petstore/kotlin/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
index bc9ed02c0f16..c548762e28be 100644
--- a/samples/client/petstore/kotlin/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
+++ b/samples/client/petstore/kotlin/src/main/kotlin/org/openapitools/client/infrastructure/ApiClient.kt
@@ -16,7 +16,6 @@ import java.io.File
 import java.io.BufferedWriter
 import java.io.FileWriter
 import java.net.URLConnection
-import java.nio.file.Files
 import java.util.Date
 import java.time.LocalDate
 import java.time.LocalDateTime
@@ -119,7 +118,7 @@ open class ApiClient(val baseUrl: String) {
         }
         if (T::class.java == File::class.java) {
             // return tempfile
-            val f = Files.createTempFile("tmp.org.openapitools.client", null).toFile()
+            val f = java.nio.file.Files.createTempFile("tmp.org.openapitools.client", null).toFile()
             f.deleteOnExit()
             val out = BufferedWriter(FileWriter(f))
             out.write(bodyContent)