diff --git a/CHANGELOG.md b/CHANGELOG.md
index 57d640f385a..7e28ee777c1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Features
 
+- Android: Attachments on the scope will now be synced to native ([#5211](https://github.com/getsentry/sentry-java/pull/5211))
 - Android: Add `beforeErrorSampling` callback to Session Replay ([#5214](https://github.com/getsentry/sentry-java/pull/5214))
   - Allows filtering which errors trigger replay capture before the `onErrorSampleRate` is checked
   - Returning `false` skips replay capture entirely for that error; returning `true` proceeds with the normal sample rate check
diff --git a/sentry-android-ndk/api/sentry-android-ndk.api b/sentry-android-ndk/api/sentry-android-ndk.api
index 44c153a71fe..a7c5571d0bb 100644
--- a/sentry-android-ndk/api/sentry-android-ndk.api
+++ b/sentry-android-ndk/api/sentry-android-ndk.api
@@ -15,7 +15,9 @@ public final class io/sentry/android/ndk/DebugImagesLoader : io/sentry/android/c
 
 public final class io/sentry/android/ndk/NdkScopeObserver : io/sentry/ScopeObserverAdapter {
 	public fun <init> (Lio/sentry/SentryOptions;)V
+	public fun addAttachment (Lio/sentry/Attachment;)V
 	public fun addBreadcrumb (Lio/sentry/Breadcrumb;)V
+	public fun clearAttachments ()V
 	public fun removeExtra (Ljava/lang/String;)V
 	public fun removeTag (Ljava/lang/String;)V
 	public fun setExtra (Ljava/lang/String;Ljava/lang/String;)V
diff --git a/sentry-android-ndk/src/main/java/io/sentry/android/ndk/NdkScopeObserver.java b/sentry-android-ndk/src/main/java/io/sentry/android/ndk/NdkScopeObserver.java
index 023ce965f51..a1474bb69c8 100644
--- a/sentry-android-ndk/src/main/java/io/sentry/android/ndk/NdkScopeObserver.java
+++ b/sentry-android-ndk/src/main/java/io/sentry/android/ndk/NdkScopeObserver.java
@@ -1,5 +1,6 @@
 package io.sentry.android.ndk;
 
+import io.sentry.Attachment;
 import io.sentry.Breadcrumb;
 import io.sentry.DateUtils;
 import io.sentry.IScope;
@@ -145,4 +146,41 @@ public void setTrace(@Nullable SpanContext spanContext, @NotNull IScope scope) {
       options.getLogger().log(SentryLevel.ERROR, e, "Scope sync setTrace failed.");
     }
   }
+
+  @Override
+  public void addAttachment(final @NotNull Attachment attachment) {
+    final String pathname = attachment.getPathname();
+    if (pathname != null) {
+      try {
+        options.getExecutorService().submit(() -> nativeScope.addAttachment(pathname));
+      } catch (Throwable e) {
+        options.getLogger().log(SentryLevel.ERROR, e, "Scope sync addAttachment has an error.");
+      }
+      return;
+    }
+
+    final byte[] bytes = attachment.getBytes();
+    if (bytes != null) {
+      final String filename = attachment.getFilename();
+      try {
+        options.getExecutorService().submit(() -> nativeScope.addAttachmentBytes(bytes, filename));
+      } catch (Throwable e) {
+        options.getLogger().log(SentryLevel.ERROR, e, "Scope sync addAttachment has an error.");
+      }
+      return;
+    }
+
+    options
+        .getLogger()
+        .log(SentryLevel.DEBUG, "Scope sync addAttachment skips attachment without path or bytes.");
+  }
+
+  @Override
+  public void clearAttachments() {
+    try {
+      options.getExecutorService().submit(() -> nativeScope.clearAttachments());
+    } catch (Throwable e) {
+      options.getLogger().log(SentryLevel.ERROR, e, "Scope sync clearAttachments has an error.");
+    }
+  }
 }
diff --git a/sentry-android-ndk/src/test/java/io/sentry/android/ndk/NdkScopeObserverTest.kt b/sentry-android-ndk/src/test/java/io/sentry/android/ndk/NdkScopeObserverTest.kt
index 696bb69a8d5..a8b5318bfab 100644
--- a/sentry-android-ndk/src/test/java/io/sentry/android/ndk/NdkScopeObserverTest.kt
+++ b/sentry-android-ndk/src/test/java/io/sentry/android/ndk/NdkScopeObserverTest.kt
@@ -1,5 +1,6 @@
 package io.sentry.android.ndk
 
+import io.sentry.Attachment
 import io.sentry.Breadcrumb
 import io.sentry.DateUtils
 import io.sentry.JsonSerializer
@@ -153,4 +154,34 @@ class NdkScopeObserverTest {
     verify(fixture.nativeScope)
       .addBreadcrumb(anyOrNull(), anyOrNull(), anyOrNull(), anyOrNull(), anyOrNull(), anyOrNull())
   }
+
+  @Test
+  fun `add file-path attachment syncs to native scope`() {
+    val sut = fixture.getSut()
+
+    val attachment = Attachment("/data/data/com.example/files/log.txt")
+    sut.addAttachment(attachment)
+
+    verify(fixture.nativeScope).addAttachment("/data/data/com.example/files/log.txt")
+  }
+
+  @Test
+  fun `add byte attachment syncs bytes to native scope`() {
+    val sut = fixture.getSut()
+
+    val bytes = byteArrayOf(1, 2, 3)
+    val attachment = Attachment(bytes, "data.bin")
+    sut.addAttachment(attachment)
+
+    verify(fixture.nativeScope).addAttachmentBytes(bytes, "data.bin")
+  }
+
+  @Test
+  fun `clear attachments forwards call to native scope`() {
+    val sut = fixture.getSut()
+
+    sut.clearAttachments()
+
+    verify(fixture.nativeScope).clearAttachments()
+  }
 }
diff --git a/sentry/api/sentry.api b/sentry/api/sentry.api
index cb9078ac07b..affbf5e2c99 100644
--- a/sentry/api/sentry.api
+++ b/sentry/api/sentry.api
@@ -943,7 +943,9 @@ public abstract interface class io/sentry/IScope {
 }
 
 public abstract interface class io/sentry/IScopeObserver {
+	public abstract fun addAttachment (Lio/sentry/Attachment;)V
 	public abstract fun addBreadcrumb (Lio/sentry/Breadcrumb;)V
+	public abstract fun clearAttachments ()V
 	public abstract fun removeExtra (Ljava/lang/String;)V
 	public abstract fun removeTag (Ljava/lang/String;)V
 	public abstract fun setBreadcrumbs (Ljava/util/Collection;)V
@@ -2446,7 +2448,9 @@ public abstract interface class io/sentry/ScopeCallback {
 
 public abstract class io/sentry/ScopeObserverAdapter : io/sentry/IScopeObserver {
 	public fun <init> ()V
+	public fun addAttachment (Lio/sentry/Attachment;)V
 	public fun addBreadcrumb (Lio/sentry/Breadcrumb;)V
+	public fun clearAttachments ()V
 	public fun removeExtra (Ljava/lang/String;)V
 	public fun removeTag (Ljava/lang/String;)V
 	public fun setBreadcrumbs (Ljava/util/Collection;)V
diff --git a/sentry/src/main/java/io/sentry/IScopeObserver.java b/sentry/src/main/java/io/sentry/IScopeObserver.java
index a43ccf6b695..e1b9a785043 100644
--- a/sentry/src/main/java/io/sentry/IScopeObserver.java
+++ b/sentry/src/main/java/io/sentry/IScopeObserver.java
@@ -45,4 +45,8 @@ public interface IScopeObserver {
   void setTrace(@Nullable SpanContext spanContext, @NotNull IScope scope);
 
   void setReplayId(@NotNull SentryId replayId);
+
+  void addAttachment(@NotNull Attachment attachment);
+
+  void clearAttachments();
 }
diff --git a/sentry/src/main/java/io/sentry/Scope.java b/sentry/src/main/java/io/sentry/Scope.java
index 1aab545b80c..fa44e90a194 100644
--- a/sentry/src/main/java/io/sentry/Scope.java
+++ b/sentry/src/main/java/io/sentry/Scope.java
@@ -924,12 +924,20 @@ public List<Attachment> getAttachments() {
   @Override
   public void addAttachment(final @NotNull Attachment attachment) {
     attachments.add(attachment);
+
+    for (final IScopeObserver observer : options.getScopeObservers()) {
+      observer.addAttachment(attachment);
+    }
   }
 
   /** Clear all attachments. */
   @Override
   public void clearAttachments() {
     attachments.clear();
+
+    for (final IScopeObserver observer : options.getScopeObservers()) {
+      observer.clearAttachments();
+    }
   }
 
   /**
diff --git a/sentry/src/main/java/io/sentry/ScopeObserverAdapter.java b/sentry/src/main/java/io/sentry/ScopeObserverAdapter.java
index f0ec6448e03..4f6a5ac842c 100644
--- a/sentry/src/main/java/io/sentry/ScopeObserverAdapter.java
+++ b/sentry/src/main/java/io/sentry/ScopeObserverAdapter.java
@@ -57,4 +57,10 @@ public void setTrace(@Nullable SpanContext spanContext, @NotNull IScope scope) {
 
   @Override
   public void setReplayId(@NotNull SentryId replayId) {}
+
+  @Override
+  public void addAttachment(@NotNull Attachment attachment) {}
+
+  @Override
+  public void clearAttachments() {}
 }