diff --git a/spring-web/src/main/java/org/springframework/http/converter/DefaultHttpMessageConverters.java b/spring-web/src/main/java/org/springframework/http/converter/DefaultHttpMessageConverters.java
index 66bd4e9b79f..1df9a640e14 100644
--- a/spring-web/src/main/java/org/springframework/http/converter/DefaultHttpMessageConverters.java
+++ b/spring-web/src/main/java/org/springframework/http/converter/DefaultHttpMessageConverters.java
@@ -50,6 +50,7 @@ import org.springframework.util.ClassUtils;
  * Default implementation for {@link HttpMessageConverters}.
  *
  * @author Brian Clozel
+ * @author Sebastien Deleuze
  */
 @SuppressWarnings("removal")
 class DefaultHttpMessageConverters implements HttpMessageConverters {
@@ -122,6 +123,8 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 
 		@Nullable HttpMessageConverter<?> smileConverter;
 
+		@Nullable HttpMessageConverter<?> kotlinCborConverter;
+
 		@Nullable HttpMessageConverter<?> cborConverter;
 
 		@Nullable HttpMessageConverter<?> yamlConverter;
@@ -187,6 +190,11 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 			this.smileConverter = smileConverter;
 		}
 
+		void setKotlinSerializationCborConverter(HttpMessageConverter<?> kotlinCborConverter) {
+			Assert.notNull(kotlinCborConverter, "kotlinCborConverter must not be null");
+			this.kotlinCborConverter = kotlinCborConverter;
+		}
+
 		void setCborConverter(HttpMessageConverter<?> cborConverter) {
 			Assert.isTrue(cborConverter.getSupportedMediaTypes().contains(MediaType.APPLICATION_CBOR),
 					"cborConverter should support 'application/cbor'");
@@ -230,6 +238,9 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 			if (this.smileConverter != null) {
 				converters.add(this.smileConverter);
 			}
+			if (this.kotlinCborConverter != null) {
+				converters.add(this.kotlinCborConverter);
+			}
 			if (this.cborConverter != null) {
 				converters.add(this.cborConverter);
 			}
@@ -263,7 +274,12 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 			}
 			if (this.kotlinJsonConverter == null) {
 				if (KOTLIN_SERIALIZATION_JSON_PRESENT) {
-					this.kotlinJsonConverter = new KotlinSerializationJsonHttpMessageConverter();
+					if (this.jsonConverter != null || JACKSON_PRESENT || JACKSON_2_PRESENT || GSON_PRESENT || JSONB_PRESENT) {
+						this.kotlinJsonConverter = new KotlinSerializationJsonHttpMessageConverter();
+					}
+					else {
+						this.kotlinJsonConverter = new KotlinSerializationJsonHttpMessageConverter(type -> true);
+					}
 				}
 			}
 			if (this.jsonConverter == null) {
@@ -302,6 +318,16 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 				}
 			}
 
+			if (this.kotlinCborConverter == null) {
+				if (KOTLIN_SERIALIZATION_CBOR_PRESENT) {
+					if (this.cborConverter != null || JACKSON_CBOR_PRESENT || JACKSON_2_CBOR_PRESENT) {
+						this.kotlinCborConverter = new KotlinSerializationCborHttpMessageConverter();
+					}
+					else {
+						this.kotlinCborConverter = new KotlinSerializationCborHttpMessageConverter(type -> true);
+					}
+				}
+			}
 			if (this.cborConverter == null) {
 				if (JACKSON_CBOR_PRESENT) {
 					this.cborConverter = new JacksonCborHttpMessageConverter();
@@ -309,9 +335,6 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 				else if (JACKSON_2_CBOR_PRESENT) {
 					this.cborConverter = new MappingJackson2CborHttpMessageConverter();
 				}
-				else if (KOTLIN_SERIALIZATION_CBOR_PRESENT) {
-					this.cborConverter = new KotlinSerializationCborHttpMessageConverter();
-				}
 			}
 
 			if (this.yamlConverter == null) {
@@ -325,7 +348,7 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 
 			if (this.protobufConverter == null) {
 				if (KOTLIN_SERIALIZATION_PROTOBUF_PRESENT) {
-					this.protobufConverter = new KotlinSerializationProtobufHttpMessageConverter();
+					this.protobufConverter = new KotlinSerializationProtobufHttpMessageConverter(type -> true);
 				}
 			}
 
@@ -379,6 +402,12 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 			return this;
 		}
 
+		@Override
+		public ClientBuilder withKotlinSerializationCborConverter(HttpMessageConverter<?> kotlinSerializationCborConverter) {
+			setKotlinSerializationCborConverter(kotlinSerializationCborConverter);
+			return this;
+		}
+
 		@Override
 		public ClientBuilder withCborConverter(HttpMessageConverter<?> cborConverter) {
 			setCborConverter(cborConverter);
@@ -470,6 +499,12 @@ class DefaultHttpMessageConverters implements HttpMessageConverters {
 			return this;
 		}
 
+		@Override
+		public ServerBuilder withKotlinSerializationCborConverter(HttpMessageConverter<?> kotlinSerializationCborConverter) {
+			setKotlinSerializationCborConverter(kotlinSerializationCborConverter);
+			return this;
+		}
+
 		@Override
 		public ServerBuilder withCborConverter(HttpMessageConverter<?> cborConverter) {
 			setCborConverter(cborConverter);
diff --git a/spring-web/src/main/java/org/springframework/http/converter/HttpMessageConverters.java b/spring-web/src/main/java/org/springframework/http/converter/HttpMessageConverters.java
index bd038304549..9c0293b31df 100644
--- a/spring-web/src/main/java/org/springframework/http/converter/HttpMessageConverters.java
+++ b/spring-web/src/main/java/org/springframework/http/converter/HttpMessageConverters.java
@@ -27,6 +27,7 @@ import java.util.function.Consumer;
  * Finally, {@link Builder#configureMessageConverters(Consumer) default and custom converters can be configured}.
  *
  * @author Brian Clozel
+ * @author Sebastien Deleuze
  * @since 7.0
  */
 public interface HttpMessageConverters extends Iterable<HttpMessageConverter<?>> {
@@ -40,9 +41,10 @@ public interface HttpMessageConverters extends Iterable<HttpMessageConverter<?>>
 	 * <li>{@link StringHttpMessageConverter} with the {@link java.nio.charset.StandardCharsets#ISO_8859_1} charset
 	 * <li>{@link ResourceHttpMessageConverter}, with resource streaming support disabled
 	 * <li>a Multipart converter, using all detected and custom converters for part conversion
-	 * <li>A Kotlin Serialization converter
+	 * <li>A Kotlin Serialization JSON converter
 	 * <li>A JSON converter
 	 * <li>A Smile converter
+	 * <li>A Kotlin Serialization CBOR converter
 	 * <li>A CBOR converter
 	 * <li>A YAML converter
 	 * <li>An XML converter
@@ -63,9 +65,10 @@ public interface HttpMessageConverters extends Iterable<HttpMessageConverter<?>>
 	 *     <li>{@link StringHttpMessageConverter} with the {@link java.nio.charset.StandardCharsets#ISO_8859_1} charset
 	 *     <li>{@link ResourceHttpMessageConverter}
 	 *     <li>{@link ResourceRegionHttpMessageConverter}
-	 *     <li>A Kotlin Serialization converter
+	 *     <li>A Kotlin Serialization JSON converter
 	 *     <li>A JSON converter
 	 *     <li>A Smile converter
+	 *     <li>A Kotlin Serialization CBOR converter
 	 *     <li>A CBOR converter
 	 *     <li>A YAML converter
 	 *     <li>An XML converter
@@ -128,6 +131,14 @@ public interface HttpMessageConverters extends Iterable<HttpMessageConverter<?>>
 		 */
 		T withSmileConverter(HttpMessageConverter<?> smileMessageConverter);
 
+		/**
+		 * Override the default String {@code HttpMessageConverter}
+		 * with any converter supporting the Kotlin Serialization conversion for CBOR.
+		 * @param kotlinSerializationConverter the converter instance to use
+		 * @see org.springframework.http.converter.cbor.KotlinSerializationCborHttpMessageConverter
+		 */
+		T withKotlinSerializationCborConverter(HttpMessageConverter<?> kotlinSerializationConverter);
+
 		/**
 		 * Override the default Jackson 3.x CBOR {@code HttpMessageConverter}
 		 * with any converter supporting the CBOR format.
diff --git a/spring-web/src/test/java/org/springframework/http/converter/DefaultHttpMessageConvertersTests.java b/spring-web/src/test/java/org/springframework/http/converter/DefaultHttpMessageConvertersTests.java
index 1aef37b005a..8b56a3be5bb 100644
--- a/spring-web/src/test/java/org/springframework/http/converter/DefaultHttpMessageConvertersTests.java
+++ b/spring-web/src/test/java/org/springframework/http/converter/DefaultHttpMessageConvertersTests.java
@@ -28,6 +28,7 @@ import org.junit.jupiter.params.provider.MethodSource;
 import org.springframework.http.HttpInputMessage;
 import org.springframework.http.HttpOutputMessage;
 import org.springframework.http.converter.cbor.JacksonCborHttpMessageConverter;
+import org.springframework.http.converter.cbor.KotlinSerializationCborHttpMessageConverter;
 import org.springframework.http.converter.feed.AtomFeedHttpMessageConverter;
 import org.springframework.http.converter.feed.RssChannelHttpMessageConverter;
 import org.springframework.http.converter.json.JacksonJsonHttpMessageConverter;
@@ -113,9 +114,10 @@ class DefaultHttpMessageConvertersTests {
 					StringHttpMessageConverter.class, ResourceHttpMessageConverter.class,
 					AllEncompassingFormHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test
@@ -127,9 +129,10 @@ class DefaultHttpMessageConvertersTests {
 					ByteArrayHttpMessageConverter.class, StringHttpMessageConverter.class,
 					ResourceHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test
@@ -148,9 +151,10 @@ class DefaultHttpMessageConvertersTests {
 					StringHttpMessageConverter.class, ResourceHttpMessageConverter.class,
 					AllEncompassingFormHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test
@@ -216,9 +220,10 @@ class DefaultHttpMessageConvertersTests {
 					ResourceHttpMessageConverter.class, ResourceRegionHttpMessageConverter.class,
 					AllEncompassingFormHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test
@@ -230,9 +235,10 @@ class DefaultHttpMessageConvertersTests {
 					ByteArrayHttpMessageConverter.class, StringHttpMessageConverter.class,
 					ResourceHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test
@@ -252,9 +258,10 @@ class DefaultHttpMessageConvertersTests {
 					ResourceHttpMessageConverter.class, ResourceRegionHttpMessageConverter.class,
 					AllEncompassingFormHttpMessageConverter.class, KotlinSerializationJsonHttpMessageConverter.class,
 					JacksonJsonHttpMessageConverter.class, JacksonSmileHttpMessageConverter.class,
-					JacksonCborHttpMessageConverter.class, JacksonYamlHttpMessageConverter.class,
-					JacksonXmlHttpMessageConverter.class, KotlinSerializationProtobufHttpMessageConverter.class,
-					AtomFeedHttpMessageConverter.class, RssChannelHttpMessageConverter.class);
+					KotlinSerializationCborHttpMessageConverter.class, JacksonCborHttpMessageConverter.class,
+					JacksonYamlHttpMessageConverter.class, JacksonXmlHttpMessageConverter.class,
+					KotlinSerializationProtobufHttpMessageConverter.class, AtomFeedHttpMessageConverter.class,
+					RssChannelHttpMessageConverter.class);
 		}
 
 		@Test