diff --git a/src/components/cards/CommentCard.tsx b/src/components/cards/CommentCard.tsx
index d408aed74..2c8ffa50a 100644
--- a/src/components/cards/CommentCard.tsx
+++ b/src/components/cards/CommentCard.tsx
@@ -35,6 +35,7 @@ import { fetcher } from '@/utils/fetcher'
 import { getTimeDifference } from '@/utils/getTimeDifference'
 import { isTapwriteContentEmpty } from '@/utils/isTapwriteContentEmpty'
 import { checkOptimisticStableId, OptimisticUpdate } from '@/utils/optimisticCommentUtils'
+import { canSubmitTapwriteContent, isTapwriteInteractionActive } from '@/utils/tapwriteEditorState'
 import { ReplyResponse } from '@api/activity-logs/schemas/CommentAddedSchema'
 import { LogResponse } from '@api/activity-logs/schemas/LogResponseSchema'
 import { Box, Collapse, Stack, Typography } from '@mui/material'
@@ -134,6 +135,8 @@ export const CommentCard = ({
     setEditedContent(content)
   }
   const handleEdit = async () => {
+    if (!canSubmitTapwriteContent(isListOrMenuActive)) return
+
     if (isTapwriteContentEmpty(editedContent)) {
       setEditedContent(content)
       setIsReadOnly(true)
@@ -153,11 +156,11 @@ export const CommentCard = ({
       if (!isFocused || isMobile()) {
         return
       }
-      if (event.key === 'Enter' && !event.shiftKey && !isListOrMenuActive) {
+      if (event.key === 'Enter' && !event.shiftKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleEdit()
       }
-      if (event.key === 'Enter' && event.ctrlKey) {
+      if (event.key === 'Enter' && event.ctrlKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleEdit() //Invoke submit if ctrl+enter is pressed at any time
       }
@@ -321,8 +324,7 @@ export const CommentCard = ({
               <Tapwrite
                 content={editedContent}
                 onActiveStatusChange={(prop) => {
-                  const { isListActive, isFloatingMenuActive } = prop
-                  setIsListOrMenuActive(isListActive || isFloatingMenuActive)
+                  setIsListOrMenuActive(isTapwriteInteractionActive(prop))
                 }}
                 getContent={setEditedContent}
                 readonly={isReadOnly}
diff --git a/src/components/cards/ReplyCard.tsx b/src/components/cards/ReplyCard.tsx
index 669f30cda..d435f3227 100644
--- a/src/components/cards/ReplyCard.tsx
+++ b/src/components/cards/ReplyCard.tsx
@@ -23,6 +23,7 @@ import { deleteEditorAttachmentsHandler, getAttachmentPayload, getCustomFilePath
 import { createUploadFn } from '@/utils/createUploadFn'
 import { getTimeDifference } from '@/utils/getTimeDifference'
 import { isTapwriteContentEmpty } from '@/utils/isTapwriteContentEmpty'
+import { canSubmitTapwriteContent, isTapwriteInteractionActive } from '@/utils/tapwriteEditorState'
 import { Box, Stack } from '@mui/material'
 import { Dispatch, SetStateAction, useEffect, useRef, useState } from 'react'
 import { useSelector } from 'react-redux'
@@ -86,6 +87,8 @@ export const ReplyCard = ({
   const { postAttachment } = usePostAttachment()
 
   const handleEdit = async () => {
+    if (!canSubmitTapwriteContent(isListOrMenuActive)) return
+
     if (isTapwriteContentEmpty(editedContent)) {
       setEditedContent(content)
       setIsReadOnly(true)
@@ -105,11 +108,11 @@ export const ReplyCard = ({
       if (!isFocused || isMobile()) {
         return
       }
-      if (event.key === 'Enter' && !event.shiftKey && !isListOrMenuActive) {
+      if (event.key === 'Enter' && !event.shiftKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleEdit()
       }
-      if (event.key === 'Enter' && event.ctrlKey) {
+      if (event.key === 'Enter' && event.ctrlKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleEdit() //Invoke submit if ctrl+enter is pressed at any time
       }
@@ -236,8 +239,7 @@ export const ReplyCard = ({
             <Tapwrite
               content={editedContent}
               onActiveStatusChange={(prop) => {
-                const { isListActive, isFloatingMenuActive } = prop
-                setIsListOrMenuActive(isListActive || isFloatingMenuActive)
+                setIsListOrMenuActive(isTapwriteInteractionActive(prop))
               }}
               getContent={setEditedContent}
               readonly={isReadOnly}
diff --git a/src/components/inputs/CommentInput.tsx b/src/components/inputs/CommentInput.tsx
index 15f0e18a5..20d0f6f2c 100644
--- a/src/components/inputs/CommentInput.tsx
+++ b/src/components/inputs/CommentInput.tsx
@@ -14,6 +14,7 @@ import { deleteEditorAttachmentsHandler, uploadAttachmentHandler } from '@/utils
 import { createUploadFn } from '@/utils/createUploadFn'
 import { getMentionsList } from '@/utils/getMentionList'
 import { isTapwriteContentEmpty } from '@/utils/isTapwriteContentEmpty'
+import { canSubmitTapwriteContent, isTapwriteInteractionActive } from '@/utils/tapwriteEditorState'
 import { Stack } from '@mui/material'
 import { useEffect, useRef, useState } from 'react'
 import { useSelector } from 'react-redux'
@@ -41,6 +42,8 @@ export const CommentInput = ({ createComment, task_id, token }: Prop) => {
   }
 
   const handleSubmit = () => {
+    if (!canSubmitTapwriteContent(isListOrMenuActive)) return
+
     let content = detail
     const END_P = '<p></p>'
     const endChunk = content.slice(-7)
@@ -65,11 +68,11 @@ export const CommentInput = ({ createComment, task_id, token }: Prop) => {
       if (!isFocused || isMobile()) {
         return
       }
-      if (event.key === 'Enter' && !event.shiftKey && !isListOrMenuActive) {
+      if (event.key === 'Enter' && !event.shiftKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault() // Prevent new line in the editor
         handleSubmit()
       }
-      if (event.key === 'Enter' && event.ctrlKey) {
+      if (event.key === 'Enter' && event.ctrlKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleSubmit() //Invoke submit if ctrl+enter is pressed at any time
       }
@@ -156,8 +159,7 @@ export const CommentInput = ({ createComment, task_id, token }: Prop) => {
           editorClass="tapwrite-comment-input"
           hardbreak
           onActiveStatusChange={(prop) => {
-            const { isListActive, isFloatingMenuActive } = prop
-            setIsListOrMenuActive(isListActive || isFloatingMenuActive)
+            setIsListOrMenuActive(isTapwriteInteractionActive(prop))
           }}
           parentContainerStyle={{
             width: '100%',
diff --git a/src/components/inputs/ReplyInput.tsx b/src/components/inputs/ReplyInput.tsx
index 0d35e313f..33cde4eb8 100644
--- a/src/components/inputs/ReplyInput.tsx
+++ b/src/components/inputs/ReplyInput.tsx
@@ -9,6 +9,7 @@ import { CreateComment } from '@/types/dto/comment.dto'
 import { deleteEditorAttachmentsHandler } from '@/utils/attachmentUtils'
 import { isPopoverInputFocused } from '@/utils/isPopoverInputFocused'
 import { isTapwriteContentEmpty } from '@/utils/isTapwriteContentEmpty'
+import { canSubmitTapwriteContent, isTapwriteInteractionActive } from '@/utils/tapwriteEditorState'
 import { Box, Stack } from '@mui/material'
 import { Dispatch, SetStateAction, useCallback, useEffect, useRef, useState } from 'react'
 import { useSelector } from 'react-redux'
@@ -47,6 +48,8 @@ export const ReplyInput = ({
   const [pendingReplies, setPendingReplies] = useState<{ content: string; taskId: string }[]>([])
 
   const handleReplySubmission = useCallback(() => {
+    if (!canSubmitTapwriteContent(isListOrMenuActive)) return
+
     let content = detail
     const END_P = '<p></p>'
     if (content.slice(-7) === END_P) {
@@ -57,7 +60,7 @@ export const ReplyInput = ({
       setDetail('')
       setPendingReplies((prev) => [...prev, { content, taskId: task_id }])
     }
-  }, [comment, detail, task_id])
+  }, [detail, isListOrMenuActive, task_id])
 
   useEffect(() => {
     if (pendingReplies.length > 0 && !comment.details.id.includes('temp-comment')) {
@@ -76,11 +79,11 @@ export const ReplyInput = ({
       if (!focusReplyInput || isMobile()) {
         return
       }
-      if (event.key === 'Enter' && !event.shiftKey && !isListOrMenuActive) {
+      if (event.key === 'Enter' && !event.shiftKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleReplySubmission()
       }
-      if (event.key === 'Enter' && event.ctrlKey) {
+      if (event.key === 'Enter' && event.ctrlKey && canSubmitTapwriteContent(isListOrMenuActive)) {
         event.preventDefault()
         handleReplySubmission()
       }
@@ -181,8 +184,7 @@ export const ReplyInput = ({
             className={'tapwrite-reply-input'}
             hardbreak
             onActiveStatusChange={(prop) => {
-              const { isListActive, isFloatingMenuActive } = prop
-              setIsListOrMenuActive(isListActive || isFloatingMenuActive)
+              setIsListOrMenuActive(isTapwriteInteractionActive(prop))
             }}
             attachmentLayout={(props) => (
               <AttachmentLayout {...props} isComment={true} onUploadStatusChange={handleUploadStatusChange} />
diff --git a/src/components/inputs/tiptap/useTitleEditor.ts b/src/components/inputs/tiptap/useTitleEditor.ts
index 20106f0da..c1a9761d3 100644
--- a/src/components/inputs/tiptap/useTitleEditor.ts
+++ b/src/components/inputs/tiptap/useTitleEditor.ts
@@ -4,6 +4,7 @@ import {
   tapwriteDynamicFields,
 } from '@/components/inputs/TapwriteDynamicFieldDropdown'
 import { getWorstCaseResolvedLength } from '@/utils/dynamicFields'
+import { clampProseMirrorPosition } from '@/utils/tapwriteEditorState'
 import Document from '@tiptap/extension-document'
 import History from '@tiptap/extension-history'
 import Paragraph from '@tiptap/extension-paragraph'
@@ -132,8 +133,10 @@ export function useTitleEditor({ value, onChange, placeholder = '', autoFocus, o
         const { schema } = view.state
         const node = schema.nodes.autofillField.create({ value: fieldKey })
         const space = schema.text(' ')
-        const tr = view.state.tr.insert(pos.pos, Fragment.from([node, space]))
-        tr.setSelection(TextSelection.create(tr.doc, pos.pos + node.nodeSize + space.nodeSize))
+        const insertPos = clampProseMirrorPosition(pos.pos, view.state.doc.content.size)
+        const tr = view.state.tr.insert(insertPos, Fragment.from([node, space]))
+        const selectionPos = clampProseMirrorPosition(insertPos + node.nodeSize + space.nodeSize, tr.doc.content.size)
+        tr.setSelection(TextSelection.create(tr.doc, selectionPos))
         view.dispatch(tr)
         view.focus()
         // Firefox hides the caret after drag-and-drop; a blur/focus cycle forces it to repaint.
diff --git a/src/utils/tapwriteEditorState.test.ts b/src/utils/tapwriteEditorState.test.ts
new file mode 100644
index 000000000..fb486e641
--- /dev/null
+++ b/src/utils/tapwriteEditorState.test.ts
@@ -0,0 +1,66 @@
+import {
+  canSubmitTapwriteContent,
+  clampProseMirrorPosition,
+  hasTapwritePopover,
+  isTapwriteInteractionActive,
+} from '@/utils/tapwriteEditorState'
+
+const originalDocument = globalThis.document
+
+function mockDocumentQuerySelector(result: Element | null) {
+  Object.defineProperty(globalThis, 'document', {
+    configurable: true,
+    value: {
+      querySelector: jest.fn(() => result),
+    },
+  })
+}
+
+function restoreDocument() {
+  if (originalDocument) {
+    Object.defineProperty(globalThis, 'document', {
+      configurable: true,
+      value: originalDocument,
+    })
+    return
+  }
+
+  delete (globalThis as { document?: Document }).document
+}
+
+describe('tapwriteEditorState', () => {
+  afterEach(() => {
+    restoreDocument()
+  })
+
+  it('detects active Tapwrite interactions from status flags', () => {
+    expect(isTapwriteInteractionActive({ isListActive: true })).toBe(true)
+    expect(isTapwriteInteractionActive({ isFloatingMenuActive: true })).toBe(true)
+    expect(isTapwriteInteractionActive({ isListActive: false, isFloatingMenuActive: false })).toBe(false)
+  })
+
+  it('treats Tippy popovers as active Tapwrite interactions', () => {
+    mockDocumentQuerySelector({} as Element)
+
+    expect(hasTapwritePopover()).toBe(true)
+    expect(isTapwriteInteractionActive({ isListActive: false, isFloatingMenuActive: false })).toBe(true)
+  })
+
+  it('blocks content submission while Tapwrite interactions are active', () => {
+    expect(canSubmitTapwriteContent(true)).toBe(false)
+
+    mockDocumentQuerySelector({} as Element)
+
+    expect(canSubmitTapwriteContent(false)).toBe(false)
+  })
+
+  it('allows content submission when no Tapwrite interaction is active', () => {
+    expect(canSubmitTapwriteContent(false)).toBe(true)
+  })
+
+  it('clamps ProseMirror positions to the current document bounds', () => {
+    expect(clampProseMirrorPosition(-7, 12)).toBe(0)
+    expect(clampProseMirrorPosition(7, 12)).toBe(7)
+    expect(clampProseMirrorPosition(20, 12)).toBe(12)
+  })
+})
diff --git a/src/utils/tapwriteEditorState.ts b/src/utils/tapwriteEditorState.ts
new file mode 100644
index 000000000..25aac5ff7
--- /dev/null
+++ b/src/utils/tapwriteEditorState.ts
@@ -0,0 +1,22 @@
+interface TapwriteActiveStatus {
+  isListActive?: boolean
+  isFloatingMenuActive?: boolean
+}
+
+export function hasTapwritePopover() {
+  if (typeof document === 'undefined') return false
+
+  return document.querySelector('.tippy-box') !== null
+}
+
+export function isTapwriteInteractionActive(status: TapwriteActiveStatus) {
+  return Boolean(status.isListActive || status.isFloatingMenuActive || hasTapwritePopover())
+}
+
+export function canSubmitTapwriteContent(isListOrMenuActive: boolean) {
+  return !isListOrMenuActive && !hasTapwritePopover()
+}
+
+export function clampProseMirrorPosition(position: number, docSize: number) {
+  return Math.max(0, Math.min(position, docSize))
+}