diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
index 09c6e00adf9d6e..5fded668f295d0 100644
--- a/packages/vite/src/node/config.ts
+++ b/packages/vite/src/node/config.ts
@@ -48,7 +48,7 @@ import {
   ENV_ENTRY
 } from './constants'
 import type { InternalResolveOptions, ResolveOptions } from './plugins/resolve'
-import { resolvePlugin } from './plugins/resolve'
+import { resolvePlugin, tryNodeResolve } from './plugins/resolve'
 import type { LogLevel, Logger } from './logger'
 import { createLogger } from './logger'
 import type { DepOptimizationConfig, DepOptimizationOptions } from './optimizer'
@@ -967,40 +967,33 @@ async function bundleConfigFile(
       {
         name: 'externalize-deps',
         setup(build) {
-          build.onResolve({ filter: /.*/ }, ({ path: id, importer }) => {
+          const options: InternalResolveOptions = {
+            root: path.dirname(fileName),
+            isBuild: true,
+            isProduction: true,
+            isRequire: !isESM,
+            preferRelative: false,
+            tryIndex: true,
+            mainFields: DEFAULT_MAIN_FIELDS,
+            browserField: false,
+            conditions: [],
+            dedupe: [],
+            extensions: DEFAULT_EXTENSIONS,
+            preserveSymlinks: false
+          }
+
+          build.onResolve({ filter: /.*/ }, ({ path: id, importer, kind }) => {
             // externalize bare imports
-            if (id[0] !== '.' && !path.isAbsolute(id)) {
+            if (id[0] !== '.' && !isAbsolute(id)) {
+              let idFsPath = tryNodeResolve(id, importer, options, false)?.id
+              if (idFsPath && (isESM || kind === 'dynamic-import')) {
+                idFsPath = pathToFileURL(idFsPath).href
+              }
               return {
+                path: idFsPath,
                 external: true
               }
             }
-            // bundle the rest and make sure that the we can also access
-            // it's third-party dependencies. externalize if not.
-            // monorepo/
-            // ├─ package.json
-            // ├─ utils.js -----------> bundle (share same node_modules)
-            // ├─ vite-project/
-            // │  ├─ vite.config.js --> entry
-            // │  ├─ package.json
-            // ├─ foo-project/
-            // │  ├─ utils.js --------> external (has own node_modules)
-            // │  ├─ package.json
-            const idFsPath = path.resolve(path.dirname(importer), id)
-            const idPkgPath = lookupFile(idFsPath, [`package.json`], {
-              pathOnly: true
-            })
-            if (idPkgPath) {
-              const idPkgDir = path.dirname(idPkgPath)
-              // if this file needs to go up one or more directory to reach the vite config,
-              // that means it has it's own node_modules (e.g. foo-project)
-              if (path.relative(idPkgDir, fileName).startsWith('..')) {
-                return {
-                  // normalize actual import after bundled as a single vite config
-                  path: isESM ? pathToFileURL(idFsPath).href : idFsPath,
-                  external: true
-                }
-              }
-            }
           })
         }
       },
@@ -1122,3 +1115,7 @@ export function isDepsOptimizerEnabled(
     (command === 'serve' && disabled === 'dev')
   )
 }
+
+function isAbsolute(id: string) {
+  return path.isAbsolute(id) || path.posix.isAbsolute(id)
+}
diff --git a/playground/config/__tests__/load.spec.ts b/playground/config/__tests__/load.spec.ts
new file mode 100644
index 00000000000000..e25ac224673a66
--- /dev/null
+++ b/playground/config/__tests__/load.spec.ts
@@ -0,0 +1,24 @@
+import { resolve } from 'node:path'
+import { loadConfigFromFile } from 'vite'
+import { expect, it } from 'vitest'
+
+it('loadConfigFromFile', async () => {
+  const { config } = await loadConfigFromFile(
+    {} as any,
+    resolve(__dirname, '../packages/entry/vite.config.ts')
+  )
+  expect(config).toMatchInlineSnapshot(`
+    {
+      "array": [
+        [
+          1,
+          3,
+        ],
+        [
+          2,
+          4,
+        ],
+      ],
+    }
+  `)
+})
diff --git a/playground/config/__tests__/serve.ts b/playground/config/__tests__/serve.ts
new file mode 100644
index 00000000000000..e8959c0a1eda19
--- /dev/null
+++ b/playground/config/__tests__/serve.ts
@@ -0,0 +1,3 @@
+export function serve() {
+  return
+}
diff --git a/playground/config/packages/entry/package.json b/playground/config/packages/entry/package.json
new file mode 100644
index 00000000000000..c251a034716150
--- /dev/null
+++ b/playground/config/packages/entry/package.json
@@ -0,0 +1,3 @@
+{
+  "name": "@vite/test-config-entry"
+}
diff --git a/playground/config/packages/entry/vite.config.ts b/playground/config/packages/entry/vite.config.ts
new file mode 100644
index 00000000000000..a53828cb84cfd8
--- /dev/null
+++ b/playground/config/packages/entry/vite.config.ts
@@ -0,0 +1,5 @@
+import { array } from '../siblings/foo'
+
+export default {
+  array
+}
diff --git a/playground/config/packages/siblings/foo.ts b/playground/config/packages/siblings/foo.ts
new file mode 100644
index 00000000000000..78a8912131faed
--- /dev/null
+++ b/playground/config/packages/siblings/foo.ts
@@ -0,0 +1,3 @@
+import { partition } from 'lodash'
+
+export const array = partition([1, 2, 3, 4], (n) => n % 2)
diff --git a/playground/config/packages/siblings/package.json b/playground/config/packages/siblings/package.json
new file mode 100644
index 00000000000000..4cbdc81d2100ea
--- /dev/null
+++ b/playground/config/packages/siblings/package.json
@@ -0,0 +1,7 @@
+{
+  "name": "@vite/test-config-sibling",
+  "devDependencies": {
+    "@types/lodash": "^4.14.186",
+    "lodash": "^4.17.21"
+  }
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ab25134fb26652..8349499bf4272b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -388,6 +388,17 @@ importers:
   playground/cli-module:
     specifiers: {}
 
+  playground/config/packages/entry:
+    specifiers: {}
+
+  playground/config/packages/siblings:
+    specifiers:
+      '@types/lodash': ^4.14.186
+      lodash: ^4.17.21
+    devDependencies:
+      '@types/lodash': 4.14.186
+      lodash: 4.17.21
+
   playground/css:
     specifiers:
       css-dep: link:./css-dep
@@ -2516,6 +2527,10 @@ packages:
     resolution: {integrity: sha512-1YXyYH83h6We1djyoUEqTlVyQtCfJAFXELSKW2ZRtjHD4hQ82CC4lvrv5D0l0FLcKBaiPbXyi3MpMsI9ZRgKsw==}
     dev: true
 
+  /@types/lodash/4.14.186:
+    resolution: {integrity: sha512-eHcVlLXP0c2FlMPm56ITode2AgLMSa6aJ05JTTbYbI+7EMkCEE5qk2E41d5g2lCVTqRe0GnnRFurmlCsDODrPw==}
+    dev: true
+
   /@types/micromatch/4.0.2:
     resolution: {integrity: sha512-oqXqVb0ci19GtH0vOA/U2TmHTcRY9kuZl4mqUxe0QmJAlIW13kzhuK5pi1i9+ngav8FjpSb9FVS/GE00GLX1VA==}
     dependencies: