diff --git a/packages/devtools-kit/__tests__/core/open-in-editor.test.ts b/packages/devtools-kit/__tests__/core/open-in-editor.test.ts
new file mode 100644
index 000000000..a601c8dfe
--- /dev/null
+++ b/packages/devtools-kit/__tests__/core/open-in-editor.test.ts
@@ -0,0 +1,48 @@
+import { target } from '@vue/devtools-shared'
+import { afterEach, describe, expect, it, vi } from 'vitest'
+import { openInEditor, setOpenInEditorBaseUrl } from '../../src/core/open-in-editor'
+import { devtoolsState } from '../../src/ctx/state'
+
+describe('openInEditor', () => {
+  afterEach(() => {
+    vi.restoreAllMocks()
+    delete target.__VUE_INSPECTOR__
+    delete target.__VUE_DEVTOOLS_OPEN_IN_EDITOR_BASE_URL__
+    devtoolsState.vitePluginDetected = true
+  })
+
+  it('uses the inspector global when it is available', () => {
+    const fetch = vi.spyOn(globalThis, 'fetch').mockResolvedValue(new Response())
+    const openInEditorMock = vi.fn()
+
+    target.__VUE_INSPECTOR__ = {
+      openInEditor: openInEditorMock,
+    }
+
+    openInEditor({
+      baseUrl: 'http://localhost:5173',
+      file: '/project/src/App.vue',
+      line: 12,
+      column: 3,
+    })
+
+    expect(openInEditorMock).toHaveBeenCalledWith('http://localhost:5173', '/project/src/App.vue', 12, 3)
+    expect(fetch).not.toHaveBeenCalled()
+  })
+
+  it('falls back to the Vite open-in-editor endpoint when the inspector global is missing', () => {
+    const fetch = vi.spyOn(globalThis, 'fetch').mockResolvedValue(new Response())
+    setOpenInEditorBaseUrl('http://localhost:5173')
+
+    openInEditor({
+      file: '/project/src/App.vue',
+      line: 12,
+      column: 3,
+    })
+
+    expect(fetch).toHaveBeenCalledWith(
+      'http://localhost:5173/__open-in-editor?file=%2Fproject%2Fsrc%2FApp.vue%3A12%3A3',
+      { mode: 'no-cors' },
+    )
+  })
+})
diff --git a/packages/devtools-kit/src/core/open-in-editor/index.ts b/packages/devtools-kit/src/core/open-in-editor/index.ts
index 65ca37852..2581c21f4 100644
--- a/packages/devtools-kit/src/core/open-in-editor/index.ts
+++ b/packages/devtools-kit/src/core/open-in-editor/index.ts
@@ -13,6 +13,12 @@ export function setOpenInEditorBaseUrl(url: string) {
   target.__VUE_DEVTOOLS_OPEN_IN_EDITOR_BASE_URL__ = url
 }
 
+function openInEditorWithFetch(baseUrl: string, file: string, line: number, column: number) {
+  return fetch(`${baseUrl}/__open-in-editor?file=${encodeURIComponent(`${file}:${line}:${column}`)}`, {
+    mode: 'no-cors',
+  })
+}
+
 export function openInEditor(options: OpenInEditorOptions = {}) {
   const { file, host, baseUrl = window.location.origin, line = 0, column = 0 } = options
   if (file) {
@@ -29,7 +35,12 @@ export function openInEditor(options: OpenInEditorOptions = {}) {
     }
     else if (devtoolsState.vitePluginDetected) {
       const _baseUrl = target.__VUE_DEVTOOLS_OPEN_IN_EDITOR_BASE_URL__ ?? baseUrl
-      target.__VUE_INSPECTOR__.openInEditor(_baseUrl, file, line, column)
+      if (target.__VUE_INSPECTOR__) {
+        target.__VUE_INSPECTOR__.openInEditor(_baseUrl, file, line, column)
+      }
+      else {
+        openInEditorWithFetch(_baseUrl, file, line, column)
+      }
     }
   }
 }