diff --git a/packages/console/src/components/CustomUiAssetsUploader/index.tsx b/packages/console/src/components/CustomUiAssetsUploader/index.tsx
index 498721dd2b7b..eabb1c9571c4 100644
--- a/packages/console/src/components/CustomUiAssetsUploader/index.tsx
+++ b/packages/console/src/components/CustomUiAssetsUploader/index.tsx
@@ -1,12 +1,14 @@
 import { type CustomUiAssets, maxUploadFileSize, type AllowedUploadMimeType } from '@logto/schemas';
 import { type Nullable } from '@silverhand/essentials';
 import { format } from 'date-fns/fp';
-import { useCallback, useState } from 'react';
+import { useCallback, useContext, useEffect, useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import DeleteIcon from '@/assets/icons/delete.svg?react';
+import { SignInExperienceContext } from '@/contexts/SignInExperienceContextProvider';
 import IconButton from '@/ds-components/IconButton';
 import FileUploader from '@/ds-components/Uploader/FileUploader';
+import useApi from '@/hooks/use-api';
 import { formatBytes } from '@/utils/uploader';
 
 import FileIcon from '../FileIcon';
@@ -28,7 +30,19 @@ function CustomUiAssetsUploader({ disabled, value, onChange }: Props) {
   const { t } = useTranslation(undefined, { keyPrefix: 'admin_console' });
   const [file, setFile] = useState<File>();
   const [error, setError] = useState<string>();
+  const [abortController, setAbortController] = useState(new AbortController());
   const showUploader = !value?.id && !file && !error;
+  const { setIsUploading, setCancelUpload } = useContext(SignInExperienceContext);
+
+  const api = useApi({ timeout: requestTimeout, signal: abortController.signal });
+
+  useEffect(() => {
+    setCancelUpload(() => {
+      abortController.abort();
+      setIsUploading(false);
+      setAbortController(new AbortController());
+    });
+  }, [abortController, setCancelUpload, setIsUploading]);
 
   const onComplete = useCallback(
     (id: string) => {
@@ -53,13 +67,17 @@ function CustomUiAssetsUploader({ disabled, value, onChange }: Props) {
   if (showUploader) {
     return (
       <FileUploader<{ customUiAssetId: string }>
-        defaultApiInstanceTimeout={requestTimeout}
+        apiInstance={api}
         disabled={disabled}
         allowedMimeTypes={allowedMimeTypes}
         maxSize={maxUploadFileSize}
         uploadUrl="api/sign-in-exp/default/custom-ui-assets"
-        onCompleted={({ customUiAssetId }) => {
+        onUploadStart={() => {
+          setIsUploading(true);
+        }}
+        onUploadComplete={({ customUiAssetId }) => {
           onComplete(customUiAssetId);
+          setIsUploading(false);
         }}
         onUploadErrorChange={onErrorChange}
       />
diff --git a/packages/console/src/components/ImageInputs/index.tsx b/packages/console/src/components/ImageInputs/index.tsx
index 29a028199650..6dea4890cbae 100644
--- a/packages/console/src/components/ImageInputs/index.tsx
+++ b/packages/console/src/components/ImageInputs/index.tsx
@@ -137,7 +137,7 @@ function ImageInputs<FormContext extends FieldValues>({
                 actionDescription={t(`sign_in_exp.branding.with_${field.theme}`, {
                   value: t(`sign_in_exp.branding_uploads.${field.type}.title`),
                 })}
-                onCompleted={({ url }) => {
+                onUploadComplete={({ url }) => {
                   onChange(url);
                 }}
                 // Noop fallback should not be necessary, but for TypeScript to be happy
diff --git a/packages/console/src/components/SubmitFormChangesActionBar/index.tsx b/packages/console/src/components/SubmitFormChangesActionBar/index.tsx
index e1eeed147b12..fa0755ea6794 100644
--- a/packages/console/src/components/SubmitFormChangesActionBar/index.tsx
+++ b/packages/console/src/components/SubmitFormChangesActionBar/index.tsx
@@ -8,6 +8,7 @@ import styles from './index.module.scss';
 type Props = {
   readonly isOpen: boolean;
   readonly isSubmitting: boolean;
+  readonly isSubmitDisabled?: boolean;
   readonly onSubmit: () => Promise<void>;
   readonly onDiscard: () => void;
   readonly confirmText?: AdminConsoleKey;
@@ -17,6 +18,7 @@ type Props = {
 function SubmitFormChangesActionBar({
   isOpen,
   isSubmitting,
+  isSubmitDisabled = false,
   confirmText = 'general.save_changes',
   onSubmit,
   onDiscard,
@@ -34,6 +36,7 @@ function SubmitFormChangesActionBar({
           }}
         />
         <Button
+          disabled={isSubmitDisabled}
           isLoading={isSubmitting}
           type="primary"
           size="medium"
diff --git a/packages/console/src/contexts/SignInExperienceContextProvider/index.tsx b/packages/console/src/contexts/SignInExperienceContextProvider/index.tsx
new file mode 100644
index 000000000000..5e5499266745
--- /dev/null
+++ b/packages/console/src/contexts/SignInExperienceContextProvider/index.tsx
@@ -0,0 +1,48 @@
+import { noop } from '@silverhand/essentials';
+import { createContext, useMemo, useRef, useState } from 'react';
+
+type SignInExperienceContextType = {
+  isUploading: boolean;
+  cancelUpload?: () => void;
+  setIsUploading: (value: boolean) => void;
+  setCancelUpload: (cancelFunction?: () => void) => void;
+};
+
+type Props = {
+  readonly children?: React.ReactNode;
+};
+
+export const SignInExperienceContext = createContext<SignInExperienceContextType>({
+  isUploading: false,
+  cancelUpload: noop,
+  setIsUploading: noop,
+  setCancelUpload: noop,
+});
+
+function SignInExperienceContextProvider({ children }: Props) {
+  const [isUploading, setIsUploading] = useState(false);
+  const cancelUploadRef = useRef<() => void>();
+
+  const handleSetCancelUpload = (cancelFunction?: () => void) => {
+    // eslint-disable-next-line @silverhand/fp/no-mutation
+    cancelUploadRef.current = cancelFunction;
+  };
+
+  const contextValue = useMemo(
+    () => ({
+      isUploading,
+      cancelUpload: cancelUploadRef.current,
+      setIsUploading,
+      setCancelUpload: handleSetCancelUpload,
+    }),
+    [isUploading]
+  );
+
+  return (
+    <SignInExperienceContext.Provider value={contextValue}>
+      {children}
+    </SignInExperienceContext.Provider>
+  );
+}
+
+export default SignInExperienceContextProvider;
diff --git a/packages/console/src/ds-components/Uploader/FileUploader/index.tsx b/packages/console/src/ds-components/Uploader/FileUploader/index.tsx
index 7183266a6aeb..5ed0fd78e32c 100644
--- a/packages/console/src/ds-components/Uploader/FileUploader/index.tsx
+++ b/packages/console/src/ds-components/Uploader/FileUploader/index.tsx
@@ -25,7 +25,8 @@ export type Props<T extends Record<string, unknown> = UserAssets> = {
   readonly defaultApiInstanceTimeout?: number;
   readonly allowedMimeTypes: AllowedUploadMimeType[];
   readonly actionDescription?: string;
-  readonly onCompleted: (response: T) => void;
+  readonly onUploadStart?: (file: File) => void;
+  readonly onUploadComplete?: (response: T) => void;
   readonly onUploadErrorChange: (errorMessage?: string, files?: File[]) => void;
   readonly className?: string;
   /**
@@ -46,7 +47,8 @@ function FileUploader<T extends Record<string, unknown> = UserAssets>({
   defaultApiInstanceTimeout,
   allowedMimeTypes,
   actionDescription,
-  onCompleted,
+  onUploadStart,
+  onUploadComplete,
   onUploadErrorChange,
   className,
   apiInstance,
@@ -116,17 +118,21 @@ function FileUploader<T extends Record<string, unknown> = UserAssets>({
 
       try {
         setIsUploading(true);
+        onUploadStart?.(acceptedFile);
         const uploadApi = apiInstance ?? api;
         const response = await uploadApi.post(uploadUrl, { body: formData }).json<T>();
 
-        onCompleted(response);
-      } catch {
+        onUploadComplete?.(response);
+      } catch (error: unknown) {
+        if (error instanceof Error && error.name === 'AbortError') {
+          return;
+        }
         setUploadError(t('components.uploader.error_upload'));
       } finally {
         setIsUploading(false);
       }
     },
-    [api, apiInstance, allowedMimeTypes, maxSize, onCompleted, t, uploadUrl]
+    [api, apiInstance, allowedMimeTypes, maxSize, onUploadComplete, onUploadStart, t, uploadUrl]
   );
 
   const { getRootProps, getInputProps, isDragActive } = useDropzone({
diff --git a/packages/console/src/ds-components/Uploader/ImageUploaderField/index.tsx b/packages/console/src/ds-components/Uploader/ImageUploaderField/index.tsx
index ff8c6a08589a..dd414259c475 100644
--- a/packages/console/src/ds-components/Uploader/ImageUploaderField/index.tsx
+++ b/packages/console/src/ds-components/Uploader/ImageUploaderField/index.tsx
@@ -23,7 +23,7 @@ function ImageUploaderField({ onChange, allowedMimeTypes: mimeTypes, ...rest }:
     <div>
       <ImageUploader
         allowedMimeTypes={allowedMimeTypes}
-        onCompleted={({ url }) => {
+        onUploadComplete={({ url }) => {
           onChange(url);
         }}
         onUploadErrorChange={setUploadError}
diff --git a/packages/console/src/hooks/use-api.ts b/packages/console/src/hooks/use-api.ts
index 747fab8ff14c..e89d9387fb6d 100644
--- a/packages/console/src/hooks/use-api.ts
+++ b/packages/console/src/hooks/use-api.ts
@@ -41,6 +41,7 @@ export type StaticApiProps = {
   hideErrorToast?: boolean | LogtoErrorCode[];
   resourceIndicator: string;
   timeout?: number;
+  signal?: AbortSignal;
 };
 
 const useGlobalRequestErrorHandler = (toastDisabledErrorCodes?: LogtoErrorCode[]) => {
@@ -112,6 +113,7 @@ export const useStaticApi = ({
   hideErrorToast,
   resourceIndicator,
   timeout = requestTimeout,
+  signal,
 }: StaticApiProps): KyInstance => {
   const { isAuthenticated, getAccessToken, getOrganizationToken } = useLogto();
   const { i18n } = useTranslation(undefined, { keyPrefix: 'admin_console' });
@@ -128,6 +130,7 @@ export const useStaticApi = ({
       ky.create({
         prefixUrl,
         timeout,
+        signal,
         hooks: {
           beforeError: conditionalArray(
             !disableGlobalErrorHandling &&
@@ -159,6 +162,7 @@ export const useStaticApi = ({
       getAccessToken,
       i18n.language,
       timeout,
+      signal,
     ]
   );
 
diff --git a/packages/console/src/pages/EnterpriseSsoDetails/Experience/LogosUploader/index.tsx b/packages/console/src/pages/EnterpriseSsoDetails/Experience/LogosUploader/index.tsx
index e355f8ab05d2..3cd9c34b6068 100644
--- a/packages/console/src/pages/EnterpriseSsoDetails/Experience/LogosUploader/index.tsx
+++ b/packages/console/src/pages/EnterpriseSsoDetails/Experience/LogosUploader/index.tsx
@@ -44,7 +44,7 @@ function LogosUploader({ isDarkModeEnabled }: Props) {
                     : 'enterprise_sso_details.branding_logo_context'
                 )}
                 allowedMimeTypes={allowedMimeTypes}
-                onCompleted={({ url }) => {
+                onUploadComplete={({ url }) => {
                   onChange(url);
                 }}
                 onUploadErrorChange={setUploadLogoError}
@@ -67,7 +67,7 @@ function LogosUploader({ isDarkModeEnabled }: Props) {
                   value={value ?? ''}
                   actionDescription={t('enterprise_sso_details.branding_dark_logo_context')}
                   allowedMimeTypes={allowedMimeTypes}
-                  onCompleted={({ url }) => {
+                  onUploadComplete={({ url }) => {
                     onChange(url);
                   }}
                   onUploadErrorChange={setUploadDarkLogoError}
diff --git a/packages/console/src/pages/SignInExperience/PageContent/index.tsx b/packages/console/src/pages/SignInExperience/PageContent/index.tsx
index 9185f048895e..69665926a1bf 100644
--- a/packages/console/src/pages/SignInExperience/PageContent/index.tsx
+++ b/packages/console/src/pages/SignInExperience/PageContent/index.tsx
@@ -1,6 +1,6 @@
 import { type SignInExperience } from '@logto/schemas';
 import classNames from 'classnames';
-import { useState } from 'react';
+import { useCallback, useContext, useState } from 'react';
 import { FormProvider, useForm } from 'react-hook-form';
 import { toast } from 'react-hot-toast';
 import { useTranslation } from 'react-i18next';
@@ -8,6 +8,7 @@ import { useParams } from 'react-router-dom';
 
 import SubmitFormChangesActionBar from '@/components/SubmitFormChangesActionBar';
 import UnsavedChangesAlertModal from '@/components/UnsavedChangesAlertModal';
+import { SignInExperienceContext } from '@/contexts/SignInExperienceContextProvider';
 import ConfirmModal from '@/ds-components/ConfirmModal';
 import TabNav, { TabNavItem } from '@/ds-components/TabNav';
 import useApi from '@/hooks/use-api';
@@ -48,6 +49,7 @@ function PageContent({ data, onSignInExperienceUpdated }: Props) {
 
   const { updateConfigs } = useConfigs();
   const { getPathname } = useTenantPathname();
+  const { isUploading, cancelUpload } = useContext(SignInExperienceContext);
 
   const [dataToCompare, setDataToCompare] = useState<SignInExperience>();
 
@@ -106,6 +108,13 @@ function PageContent({ data, onSignInExperienceUpdated }: Props) {
     })
   );
 
+  const onDiscard = useCallback(() => {
+    reset();
+    if (isUploading && cancelUpload) {
+      cancelUpload();
+    }
+  }, [isUploading, cancelUpload, reset]);
+
   return (
     <>
       <TabNav className={styles.tabs}>
@@ -143,9 +152,10 @@ function PageContent({ data, onSignInExperienceUpdated }: Props) {
           )}
         </div>
         <SubmitFormChangesActionBar
-          isOpen={isDirty}
+          isOpen={isDirty || isUploading}
+          isSubmitDisabled={isUploading}
           isSubmitting={isSaving}
-          onDiscard={reset}
+          onDiscard={onDiscard}
           onSubmit={onSubmit}
         />
       </div>
@@ -162,8 +172,9 @@ function PageContent({ data, onSignInExperienceUpdated }: Props) {
         {dataToCompare && <SignUpAndSignInChangePreview before={data} after={dataToCompare} />}
       </ConfirmModal>
       <UnsavedChangesAlertModal
-        hasUnsavedChanges={isDirty}
+        hasUnsavedChanges={isDirty || isUploading}
         parentPath={getPathname('/sign-in-experience')}
+        onConfirm={onDiscard}
       />
     </>
   );
diff --git a/packages/console/src/pages/SignInExperience/index.tsx b/packages/console/src/pages/SignInExperience/index.tsx
index c0d6e99f05aa..b0cf1520194d 100644
--- a/packages/console/src/pages/SignInExperience/index.tsx
+++ b/packages/console/src/pages/SignInExperience/index.tsx
@@ -4,6 +4,7 @@ import useSWR from 'swr';
 
 import RequestDataError from '@/components/RequestDataError';
 import { isCloud } from '@/consts/env';
+import SignInExperienceContextProvider from '@/contexts/SignInExperienceContextProvider';
 import CardTitle from '@/ds-components/CardTitle';
 import type { RequestError } from '@/hooks/use-api';
 import useConfigs from '@/hooks/use-configs';
@@ -21,14 +22,16 @@ type PageWrapperProps = {
 
 function PageWrapper({ children }: PageWrapperProps) {
   return (
-    <div className={styles.container}>
-      <CardTitle
-        title="sign_in_exp.title"
-        subtitle="sign_in_exp.description"
-        className={styles.cardTitle}
-      />
-      {children}
-    </div>
+    <SignInExperienceContextProvider>
+      <div className={styles.container}>
+        <CardTitle
+          title="sign_in_exp.title"
+          subtitle="sign_in_exp.description"
+          className={styles.cardTitle}
+        />
+        {children}
+      </div>
+    </SignInExperienceContextProvider>
   );
 }