diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d1082fa9d2..adbc32dae87 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -59,6 +59,7 @@ SentryAndroid.init(
 ### Fixes 
 
 - Fix missing thread stacks for ANRv1 events ([#4918](https://github.com/getsentry/sentry-java/pull/4918))
+- Fix handling of unparseable mime-type on request filter ([#4939](https://github.com/getsentry/sentry-java/pull/4939))
 
 ### Internal
 
diff --git a/sentry-spring-7/src/main/java/io/sentry/spring7/SentrySpringFilter.java b/sentry-spring-7/src/main/java/io/sentry/spring7/SentrySpringFilter.java
index c709cebbca7..38bc4379088 100644
--- a/sentry-spring-7/src/main/java/io/sentry/spring7/SentrySpringFilter.java
+++ b/sentry-spring-7/src/main/java/io/sentry/spring7/SentrySpringFilter.java
@@ -26,6 +26,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.springframework.http.MediaType;
+import org.springframework.util.InvalidMimeTypeException;
 import org.springframework.util.MimeType;
 import org.springframework.web.filter.OncePerRequestFilter;
 import org.springframework.web.util.ContentCachingRequestWrapper;
@@ -131,8 +132,12 @@ && shouldCacheMimeType(contentType)
   }
 
   private static boolean shouldCacheMimeType(String contentType) {
-    return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
-        || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    try {
+      return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
+          || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    } catch (InvalidMimeTypeException e) {
+      return false;
+    }
   }
 
   static final class RequestBodyExtractingEventProcessor implements EventProcessor {
diff --git a/sentry-spring-7/src/test/kotlin/io/sentry/spring7/SentrySpringFilterTest.kt b/sentry-spring-7/src/test/kotlin/io/sentry/spring7/SentrySpringFilterTest.kt
index 639b1642a51..5a83c9d72a4 100644
--- a/sentry-spring-7/src/test/kotlin/io/sentry/spring7/SentrySpringFilterTest.kt
+++ b/sentry-spring-7/src/test/kotlin/io/sentry/spring7/SentrySpringFilterTest.kt
@@ -266,6 +266,12 @@ class SentrySpringFilterTest {
           body = "x".repeat(10001),
           expectedToBeCached = false,
         ),
+        TestParams(
+          maxRequestBodySize = MEDIUM,
+          body = "xxx",
+          expectedToBeCached = false,
+          contentType = "invalid",
+        ),
         TestParams(
           maxRequestBodySize = ALWAYS,
           body = "x".repeat(10001),
diff --git a/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/SentrySpringFilter.java b/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/SentrySpringFilter.java
index 34dd5f0c469..c51a2053b8d 100644
--- a/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/SentrySpringFilter.java
+++ b/sentry-spring-jakarta/src/main/java/io/sentry/spring/jakarta/SentrySpringFilter.java
@@ -26,6 +26,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.springframework.http.MediaType;
+import org.springframework.util.InvalidMimeTypeException;
 import org.springframework.util.MimeType;
 import org.springframework.web.filter.OncePerRequestFilter;
 import org.springframework.web.util.ContentCachingRequestWrapper;
@@ -131,8 +132,12 @@ && shouldCacheMimeType(contentType)
   }
 
   private static boolean shouldCacheMimeType(String contentType) {
-    return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
-        || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    try {
+      return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
+          || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    } catch (InvalidMimeTypeException e) {
+      return false;
+    }
   }
 
   static final class RequestBodyExtractingEventProcessor implements EventProcessor {
diff --git a/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/SentrySpringFilterTest.kt b/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/SentrySpringFilterTest.kt
index 6c8db2fc097..349839b5d15 100644
--- a/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/SentrySpringFilterTest.kt
+++ b/sentry-spring-jakarta/src/test/kotlin/io/sentry/spring/jakarta/SentrySpringFilterTest.kt
@@ -266,6 +266,12 @@ class SentrySpringFilterTest {
           body = "x".repeat(10001),
           expectedToBeCached = false,
         ),
+        TestParams(
+          maxRequestBodySize = MEDIUM,
+          body = "xxx",
+          expectedToBeCached = false,
+          contentType = "invalid",
+        ),
         TestParams(
           maxRequestBodySize = ALWAYS,
           body = "x".repeat(10001),
diff --git a/sentry-spring/src/main/java/io/sentry/spring/SentrySpringFilter.java b/sentry-spring/src/main/java/io/sentry/spring/SentrySpringFilter.java
index 4d8767334ae..69438c82617 100644
--- a/sentry-spring/src/main/java/io/sentry/spring/SentrySpringFilter.java
+++ b/sentry-spring/src/main/java/io/sentry/spring/SentrySpringFilter.java
@@ -26,6 +26,7 @@
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.springframework.http.MediaType;
+import org.springframework.util.InvalidMimeTypeException;
 import org.springframework.util.MimeType;
 import org.springframework.web.filter.OncePerRequestFilter;
 import org.springframework.web.util.ContentCachingRequestWrapper;
@@ -131,8 +132,12 @@ && shouldCacheMimeType(contentType)
   }
 
   private static boolean shouldCacheMimeType(String contentType) {
-    return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
-        || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    try {
+      return MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_JSON)
+          || MimeType.valueOf(contentType).isCompatibleWith(MediaType.APPLICATION_FORM_URLENCODED);
+    } catch (InvalidMimeTypeException e) {
+      return false;
+    }
   }
 
   static final class RequestBodyExtractingEventProcessor implements EventProcessor {
diff --git a/sentry-spring/src/test/kotlin/io/sentry/spring/SentrySpringFilterTest.kt b/sentry-spring/src/test/kotlin/io/sentry/spring/SentrySpringFilterTest.kt
index 06bea9fc9de..eb145bcd8a1 100644
--- a/sentry-spring/src/test/kotlin/io/sentry/spring/SentrySpringFilterTest.kt
+++ b/sentry-spring/src/test/kotlin/io/sentry/spring/SentrySpringFilterTest.kt
@@ -266,6 +266,12 @@ class SentrySpringFilterTest {
           body = "x".repeat(10001),
           expectedToBeCached = false,
         ),
+        TestParams(
+          maxRequestBodySize = MEDIUM,
+          body = "xxx",
+          expectedToBeCached = false,
+          contentType = "invalid",
+        ),
         TestParams(
           maxRequestBodySize = ALWAYS,
           body = "x".repeat(10001),