diff --git a/packages/react/src/components/LinkToolbar/EditLinkMenuItems.tsx b/packages/react/src/components/LinkToolbar/EditLinkMenuItems.tsx
index ad454fd556..ccca20168d 100644
--- a/packages/react/src/components/LinkToolbar/EditLinkMenuItems.tsx
+++ b/packages/react/src/components/LinkToolbar/EditLinkMenuItems.tsx
@@ -51,6 +51,12 @@ export const EditLinkMenuItems = (
 
   const handleEnter = useCallback(
     (event: KeyboardEvent) => {
+      // Don't submit during IME composition (e.g., when converting to Kanji)
+      // The nativeEvent.isComposing check is crucial for CJK input methods
+      if (event.nativeEvent.isComposing) {
+        return;
+      }
+
       if (event.key === "Enter") {
         event.preventDefault();
         editLink(validateUrl(currentUrl), currentText, props.range.from);