diff --git a/packages/playwright-core/src/server/chromium/crPage.ts b/packages/playwright-core/src/server/chromium/crPage.ts
index f41cb51959..68171fbfb8 100644
--- a/packages/playwright-core/src/server/chromium/crPage.ts
+++ b/packages/playwright-core/src/server/chromium/crPage.ts
@@ -748,6 +748,9 @@ class FrameSession {
     session._sendMayFail('Runtime.enable');
     session._sendMayFail('Network.enable');
     session._sendMayFail('Runtime.runIfWaitingForDebugger');
+    session._sendMayFail('Target.setAutoAttach', { autoAttach: true, waitForDebuggerOnStart: true, flatten: true });
+    session.on('Target.attachedToTarget', event => this._onAttachedToTarget(event));
+    session.on('Target.detachedFromTarget', event => this._onDetachedFromTarget(event));
     session.on('Runtime.consoleAPICalled', event => {
       const args = event.args.map(o => worker._existingExecutionContext!.createHandle(o));
       this._page._addConsoleMessage(event.type, args, toConsoleMessageLocation(event.stackTrace));
@@ -763,6 +766,7 @@ class FrameSession {
     if (workerSession) {
       workerSession.dispose();
       this._page._removeWorker(event.sessionId);
+      return;
     }
 
     // ... or an oopif.
diff --git a/tests/page/workers.spec.ts b/tests/page/workers.spec.ts
index 1222340663..e3854ffca8 100644
--- a/tests/page/workers.spec.ts
+++ b/tests/page/workers.spec.ts
@@ -16,6 +16,7 @@
  */
 
 import { test as it, expect } from './pageTest';
+import type { Worker as PwWorker } from '@playwright/test';
 import { attachFrame } from '../config/utils';
 import type { ConsoleMessage } from 'playwright-core';
 import fs from 'fs';
@@ -192,3 +193,32 @@ it('should dispatch console messages when page has workers', async function({ pa
   ]);
   expect(message.text()).toBe('foo');
 });
+
+it('should report and intercept network from nested worker', async function({ page, server, browserName }) {
+  it.fixme(browserName === 'webkit', 'https://github.com/microsoft/playwright/issues/27376');
+  await page.route('**/simple.json', async route => {
+    const json = { foo: 'not bar' };
+    await route.fulfill({ json });
+  });
+
+  await page.goto(server.EMPTY_PAGE);
+  const url = server.PREFIX + '/simple.json';
+  const workers: PwWorker[] = [];
+  const messages: string[] = [];
+
+  page.on('worker', worker => workers.push(worker));
+  page.on('console', msg => messages.push(msg.text()));
+
+  await page.evaluate(url => new Worker(URL.createObjectURL(new Blob([`
+    fetch("${url}").then(response => response.text()).then(t => console.log(t.trim()));
+  `], { type: 'application/javascript' }))), url);
+  await expect.poll(() => workers.length).toBe(1);
+
+  await workers[0].evaluate(url => new Worker(URL.createObjectURL(new Blob([`
+    fetch("${url}").then(response => response.text()).then(t => console.log(t.trim()));
+  `], { type: 'application/javascript' }))), url);
+
+  await expect.poll(() => workers.length).toBe(2);
+
+  await expect.poll(() => messages).toEqual(['{"foo":"not bar"}', '{"foo":"not bar"}']);
+});