diff --git a/packages/react-router/src/vite/index.ts b/packages/react-router/src/vite/index.ts
index fbe4736dbcfb..5f5b6266015a 100644
--- a/packages/react-router/src/vite/index.ts
+++ b/packages/react-router/src/vite/index.ts
@@ -1,3 +1,4 @@
 export { sentryReactRouter } from './plugin';
 export { sentryOnBuildEnd } from './buildEnd/handleOnBuildEnd';
 export type { SentryReactRouterBuildOptions } from './types';
+export { makeConfigInjectorPlugin } from './makeConfigInjectorPlugin';
diff --git a/packages/react-router/src/vite/makeConfigInjectorPlugin.ts b/packages/react-router/src/vite/makeConfigInjectorPlugin.ts
new file mode 100644
index 000000000000..43948c8d4986
--- /dev/null
+++ b/packages/react-router/src/vite/makeConfigInjectorPlugin.ts
@@ -0,0 +1,23 @@
+import { type Plugin } from 'vite';
+import type { SentryReactRouterBuildOptions } from './types';
+
+/**
+ * Creates a Vite plugin that injects the Sentry options into the global Vite config.
+ * This ensures the sentryConfig is available to other components that need access to it,
+ * like the buildEnd hook.
+ *
+ * @param options - Configuration options for the Sentry Vite plugin
+ * @returns A Vite plugin that injects sentryConfig into the global config
+ */
+export function makeConfigInjectorPlugin(options: SentryReactRouterBuildOptions): Plugin {
+  return {
+    name: 'sentry-react-router-config-injector',
+    enforce: 'pre',
+    config(config) {
+      return {
+        ...config,
+        sentryConfig: options,
+      };
+    },
+  };
+}
diff --git a/packages/react-router/src/vite/plugin.ts b/packages/react-router/src/vite/plugin.ts
index c8cdad32ee92..98405771ee1b 100644
--- a/packages/react-router/src/vite/plugin.ts
+++ b/packages/react-router/src/vite/plugin.ts
@@ -1,5 +1,6 @@
 import type { ConfigEnv } from 'vite';
 import { type Plugin } from 'vite';
+import { makeConfigInjectorPlugin } from './makeConfigInjectorPlugin';
 import { makeCustomSentryVitePlugins } from './makeCustomSentryVitePlugins';
 import { makeEnableSourceMapsPlugin } from './makeEnableSourceMapsPlugin';
 import type { SentryReactRouterBuildOptions } from './types';
@@ -17,6 +18,8 @@ export async function sentryReactRouter(
 ): Promise<Plugin[]> {
   const plugins: Plugin[] = [];
 
+  plugins.push(makeConfigInjectorPlugin(options));
+
   if (process.env.NODE_ENV !== 'development' && config.command === 'build' && config.mode !== 'development') {
     plugins.push(makeEnableSourceMapsPlugin(options));
     plugins.push(...(await makeCustomSentryVitePlugins(options)));
diff --git a/packages/react-router/test/vite/plugin.test.ts b/packages/react-router/test/vite/plugin.test.ts
index 88d3701646f2..f01254ca8869 100644
--- a/packages/react-router/test/vite/plugin.test.ts
+++ b/packages/react-router/test/vite/plugin.test.ts
@@ -1,4 +1,5 @@
 import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
+import { makeConfigInjectorPlugin } from '../../src/vite/makeConfigInjectorPlugin';
 import { makeCustomSentryVitePlugins } from '../../src/vite/makeCustomSentryVitePlugins';
 import { makeEnableSourceMapsPlugin } from '../../src/vite/makeEnableSourceMapsPlugin';
 import { sentryReactRouter } from '../../src/vite/plugin';
@@ -12,57 +13,61 @@ vi.spyOn(console, 'warn').mockImplementation(() => {
 
 vi.mock('../../src/vite/makeCustomSentryVitePlugins');
 vi.mock('../../src/vite/makeEnableSourceMapsPlugin');
+vi.mock('../../src/vite/makeConfigInjectorPlugin');
 
 describe('sentryReactRouter', () => {
   const mockPlugins = [{ name: 'test-plugin' }];
   const mockSourceMapsPlugin = { name: 'source-maps-plugin' };
+  const mockConfigInjectorPlugin = { name: 'sentry-config-injector' };
 
   beforeEach(() => {
     vi.clearAllMocks();
     vi.mocked(makeCustomSentryVitePlugins).mockResolvedValue(mockPlugins);
     vi.mocked(makeEnableSourceMapsPlugin).mockReturnValue(mockSourceMapsPlugin);
+    vi.mocked(makeConfigInjectorPlugin).mockReturnValue(mockConfigInjectorPlugin);
   });
 
   afterEach(() => {
     vi.resetModules();
   });
 
-  it('should return an empty array in development mode', async () => {
+  it('should return sentry config injector plugin in development mode', async () => {
     const originalNodeEnv = process.env.NODE_ENV;
     process.env.NODE_ENV = 'development';
 
     const result = await sentryReactRouter({}, { command: 'build', mode: 'production' });
 
-    expect(result).toEqual([]);
+    expect(result).toEqual([mockConfigInjectorPlugin]);
     expect(makeCustomSentryVitePlugins).not.toHaveBeenCalled();
     expect(makeEnableSourceMapsPlugin).not.toHaveBeenCalled();
 
     process.env.NODE_ENV = originalNodeEnv;
   });
 
-  it('should return an empty array when not in build mode', async () => {
+  it('should return config injector plugin when not in build mode', async () => {
     const result = await sentryReactRouter({}, { command: 'serve', mode: 'production' });
 
-    expect(result).toEqual([]);
+    expect(result).toEqual([mockConfigInjectorPlugin]);
     expect(makeCustomSentryVitePlugins).not.toHaveBeenCalled();
     expect(makeEnableSourceMapsPlugin).not.toHaveBeenCalled();
   });
 
-  it('should return an empty array when in development mode', async () => {
+  it('should return config injector plugin in development build mode', async () => {
     const result = await sentryReactRouter({}, { command: 'build', mode: 'development' });
 
-    expect(result).toEqual([]);
+    expect(result).toEqual([mockConfigInjectorPlugin]);
     expect(makeCustomSentryVitePlugins).not.toHaveBeenCalled();
     expect(makeEnableSourceMapsPlugin).not.toHaveBeenCalled();
   });
 
-  it('should return plugins in production build mode', async () => {
+  it('should return all plugins in production build mode', async () => {
     const originalNodeEnv = process.env.NODE_ENV;
     process.env.NODE_ENV = 'production';
 
     const result = await sentryReactRouter({}, { command: 'build', mode: 'production' });
 
-    expect(result).toEqual([mockSourceMapsPlugin, ...mockPlugins]);
+    expect(result).toEqual([mockConfigInjectorPlugin, mockSourceMapsPlugin, ...mockPlugins]);
+    expect(makeConfigInjectorPlugin).toHaveBeenCalledWith({});
     expect(makeCustomSentryVitePlugins).toHaveBeenCalledWith({});
     expect(makeEnableSourceMapsPlugin).toHaveBeenCalledWith({});
 
@@ -81,6 +86,7 @@ describe('sentryReactRouter', () => {
 
     await sentryReactRouter(options, { command: 'build', mode: 'production' });
 
+    expect(makeConfigInjectorPlugin).toHaveBeenCalledWith(options);
     expect(makeCustomSentryVitePlugins).toHaveBeenCalledWith(options);
     expect(makeEnableSourceMapsPlugin).toHaveBeenCalledWith(options);