diff --git a/apps/web/core/components/comments/card/edit-form.tsx b/apps/web/core/components/comments/card/edit-form.tsx
index 9be8b135521..654538223a4 100644
--- a/apps/web/core/components/comments/card/edit-form.tsx
+++ b/apps/web/core/components/comments/card/edit-form.tsx
@@ -77,6 +77,8 @@ export const CommentCardEditForm = observer(function CommentCardEditForm(props:
     <form className="flex flex-col gap-2">
       <div
         onKeyDown={(e) => {
+          // Prevent IME composition Enter from triggering submit
+          if (e.nativeEvent.isComposing || e.keyCode === 229) return;
           if (e.key === "Enter" && !e.shiftKey && !e.ctrlKey && !e.metaKey && !isEmpty) handleSubmit(onEnter)(e);
         }}
       >
diff --git a/apps/web/core/components/comments/comment-create.tsx b/apps/web/core/components/comments/comment-create.tsx
index d230a5be93e..057cd44d0d2 100644
--- a/apps/web/core/components/comments/comment-create.tsx
+++ b/apps/web/core/components/comments/comment-create.tsx
@@ -94,6 +94,8 @@ export const CommentCreate = observer(function CommentCreate(props: TCommentCrea
     <div
       className={cn("sticky bottom-0 z-[4] bg-surface-1 sm:static")}
       onKeyDown={(e) => {
+        // Prevent IME composition Enter from triggering submit
+        if (e.nativeEvent.isComposing || e.keyCode === 229) return;
         if (
           e.key === "Enter" &&
           !e.shiftKey &&
diff --git a/apps/web/core/components/core/modals/gpt-assistant-popover.tsx b/apps/web/core/components/core/modals/gpt-assistant-popover.tsx
index 8b932742c4e..a15fed15543 100644
--- a/apps/web/core/components/core/modals/gpt-assistant-popover.tsx
+++ b/apps/web/core/components/core/modals/gpt-assistant-popover.tsx
@@ -153,6 +153,8 @@ export function GptAssistantPopover(props: Props) {
 
   useEffect(() => {
     const handleEnterKeyPress = (event: KeyboardEvent) => {
+      // Prevent IME composition Enter from triggering submit
+      if (event.isComposing || event.keyCode === 229) return;
       if (event.key === "Enter" && !event.shiftKey) {
         event.preventDefault();
         handleSubmit(handleAIResponse)();
diff --git a/packages/editor/src/core/components/links/link-edit-view.tsx b/packages/editor/src/core/components/links/link-edit-view.tsx
index 3adbefa27cd..54cb9b8ea4f 100644
--- a/packages/editor/src/core/components/links/link-edit-view.tsx
+++ b/packages/editor/src/core/components/links/link-edit-view.tsx
@@ -123,6 +123,8 @@ export function LinkEditView({ viewProps }: LinkEditViewProps) {
 
   const handleKeyDown = useCallback(
     (e: React.KeyboardEvent) => {
+      // Prevent IME composition Enter from triggering submit
+      if (e.nativeEvent.isComposing || e.keyCode === 229) return;
       if (e.key === "Enter") {
         e.stopPropagation();
         if (applyChanges()) {
diff --git a/packages/editor/src/core/components/menus/bubble-menu/link-selector.tsx b/packages/editor/src/core/components/menus/bubble-menu/link-selector.tsx
index 0745059389d..64a2579bcca 100644
--- a/packages/editor/src/core/components/menus/bubble-menu/link-selector.tsx
+++ b/packages/editor/src/core/components/menus/bubble-menu/link-selector.tsx
@@ -84,6 +84,8 @@ export function BubbleMenuLinkSelector(props: Props) {
             defaultValue={editor.getAttributes("link").href || ""}
             onKeyDown={(e) => {
               setError(false);
+              // Prevent IME composition Enter from triggering submit
+              if (e.nativeEvent.isComposing || e.keyCode === 229) return;
               if (e.key === "Enter") {
                 e.preventDefault();
                 handleLinkSubmit();