diff --git a/packages/vike-pinia/renderer/+config.ts b/packages/vike-pinia/renderer/+config.ts
index 5cea5c19..d88884cc 100644
--- a/packages/vike-pinia/renderer/+config.ts
+++ b/packages/vike-pinia/renderer/+config.ts
@@ -4,8 +4,8 @@ export default {
   // @ts-ignore Remove this ts-ignore once Vike's new version is released.
   name: 'vike-pinia',
   onCreateAppPinia: 'import:vike-pinia/renderer/installPinia:installPinia',
-  onAfterRenderSSRApp: 'import:vike-pinia/renderer/dehydratePinia:dehydratePinia',
-  onBeforeMountApp: 'import:vike-pinia/renderer/hydratePinia:hydratePinia'
+  onAfterRenderSSRAppPinia: 'import:vike-pinia/renderer/dehydratePinia:dehydratePinia',
+  onBeforeMountAppPinia: 'import:vike-pinia/renderer/hydratePinia:hydratePinia'
 }
 
 declare global {
diff --git a/packages/vike-vue/src/+config.ts b/packages/vike-vue/src/+config.ts
index 01676fa9..c9222545 100644
--- a/packages/vike-vue/src/+config.ts
+++ b/packages/vike-vue/src/+config.ts
@@ -89,9 +89,15 @@ const config = {
     onCreateAppPinia: {
       env: { server: true, client: true }
     },
+    onAfterRenderSSRAppPinia: {
+      env: { server: true }
+    },
     onAfterRenderSSRApp: {
       env: { server: true }
     },
+    onBeforeMountAppPinia: {
+      env: { server: false, client: true }
+    },
     onBeforeMountApp: {
       env: { server: false, client: true }
     },
@@ -172,6 +178,20 @@ declare global {
        */
       onCreateAppPinia?: OnCreateAppSync | OnCreateAppAsync
 
+      /**
+       * Temporary workaround until `cumulative` is implemented for `onCreateApp`.
+       *
+       * See https://github.com/vikejs/vike-vue/pull/65#discussion_r1449227587
+       */
+      onAfterRenderSSRAppPinia?: OnAfterRenderSSRAppSync | OnAfterRenderSSRAppAsync
+
+      /**
+       * Temporary workaround until `cumulative` is implemented for `onCreateApp`.
+       *
+       * See https://github.com/vikejs/vike-vue/pull/65#discussion_r1449227587
+       */
+      onBeforeMountAppPinia?: OnBeforeMountAppSync | OnBeforeMountAppAsync
+
       /**
        * Hook called right after rendering the page's root Vue component.
        * The hook can return additional page context that will be passed to the client under `pageContext.fromHtmlRenderer`.
diff --git a/packages/vike-vue/src/renderer/onRenderClient.ts b/packages/vike-vue/src/renderer/onRenderClient.ts
index 47eb018b..20a27ceb 100644
--- a/packages/vike-vue/src/renderer/onRenderClient.ts
+++ b/packages/vike-vue/src/renderer/onRenderClient.ts
@@ -16,6 +16,7 @@ const onRenderClient: OnRenderClientAsync = async (pageContext): ReturnType<OnRe
     const ctxWithApp = await createVueApp(pageContext, ssr, 'Page')
     app = ctxWithApp.app
 
+    await pageContext.config.onBeforeMountAppPinia?.(ctxWithApp)
     await pageContext.config.onBeforeMountApp?.(ctxWithApp)
 
     app.mount(container)
diff --git a/packages/vike-vue/src/renderer/onRenderHtml.ts b/packages/vike-vue/src/renderer/onRenderHtml.ts
index e3193e74..63885179 100644
--- a/packages/vike-vue/src/renderer/onRenderHtml.ts
+++ b/packages/vike-vue/src/renderer/onRenderHtml.ts
@@ -4,7 +4,7 @@ export { onRenderHtml }
 import { renderToNodeStream, renderToString } from 'vue/server-renderer'
 import { dangerouslySkipEscape, escapeInject, version } from 'vike/server'
 import { getHeadSetting } from './getHeadSetting.js'
-import type { OnRenderHtmlAsync } from 'vike/types'
+import type { OnRenderHtmlAsync, PageContext } from 'vike/types'
 import { createVueApp } from './createVueApp.js'
 import { App } from 'vue'
 
@@ -19,7 +19,7 @@ const onRenderHtml: OnRenderHtmlAsync = async (pageContext): ReturnType<OnRender
   const faviconTag = !favicon ? '' : escapeInject`<link rel="icon" href="${favicon}" />`
 
   let pageView: ReturnType<typeof dangerouslySkipEscape> | ReturnType<typeof renderToNodeStream> | string = ''
-  let fromHtmlRenderer = undefined
+  const fromHtmlRenderer: PageContext['fromHtmlRenderer'] = {}
 
   if (!!pageContext.Page) {
     // SSR is enabled
@@ -29,7 +29,9 @@ const onRenderHtml: OnRenderHtmlAsync = async (pageContext): ReturnType<OnRender
       ? dangerouslySkipEscape(await renderToStringWithErrorHandling(app))
       : renderToNodeStreamWithErrorHandling(app)
 
-    fromHtmlRenderer = await pageContext.config.onAfterRenderSSRApp?.(ctxWithApp)
+    const piniaCtx = await pageContext.config.onAfterRenderSSRAppPinia?.(ctxWithApp)
+    const userFromHtmlRenderer = await pageContext.config.onAfterRenderSSRApp?.(ctxWithApp)
+    Object.assign(fromHtmlRenderer, piniaCtx, userFromHtmlRenderer)
   }
 
   let headHtml: ReturnType<typeof dangerouslySkipEscape> | string = ''
diff --git a/packages/vike-vue/src/types/PageContext.ts b/packages/vike-vue/src/types/PageContext.ts
index 06506ed5..e7b0d4a4 100644
--- a/packages/vike-vue/src/types/PageContext.ts
+++ b/packages/vike-vue/src/types/PageContext.ts
@@ -25,7 +25,7 @@ declare global {
       app?: VikeVueApp
 
       // Set by onRenderHtml()
-      fromHtmlRenderer: unknown
+      fromHtmlRenderer: Record<string, unknown>
     }
   }
 }