Cursor 2.0 In app browser is not opening website

Bug Reports
1

Where does the bug appear (feature/product)?

Cursor IDE

Describe the Bug

The In-app browser is not opening any website. The browser returns Connection Failed error.

Steps to Reproduce

  • From the tools tab, select “Browser Tab”
  • In the In-app browse, type the localhost URL. In my case http://localhost:8080
  • The browser returns Connection failed error
  • I also tried to open other websites but all the websites are returing same error
  • Confirmed in Chrome that the localhost:8080 is working and accessible

Expected Behavior

  • In-app browser should open localhost website

Screenshots / Screen Recordings

Screenshot 2025-10-30 at 11.17.16 AM.png
Screenshot 2025-10-30 at 11.17.16 AM.png3030×1460 173 KB

Operating System

MacOS

Current Cursor Version (Menu → About Cursor → Copy)

Version: 2.0.38 (Universal)
VSCode Version: 1.99.3
Commit: 3fa438a81d579067162dd8767025b788454e6f90
Date: 2025-10-29T20:45:40.883Z
Electron: 34.5.8
Chromium: 132.0.6834.210
Node.js: 20.19.1
V8: 13.2.152.41-electron.0
OS: Darwin x64 24.6.0

Does this stop you from using Cursor

No - Cursor works, but with this issue

1 Like
2

Same experience - tested on Windows 11 with WSL2 and on mac. Same problem with localhost sites.

3

Hey, thanks for the report. I’ll pass it to the team.

4

Facing same issue

5

same issue here

6

With the new Cursor update now I am able to open localhost/external websites in Cursor in-app browser. Thank you team.

7

Great!

8

is there some latest update im unaware of? i am using 2.0.34 and it doesn’t load any website for me

1 Like
9

i am using 2.0.43 and it doesn’t load any website for me.

バージョン: 2.0.43 (system setup)
コミット: 1.99.3
日付: 8e4da76ad196925accaa169efcae28c45454cce0
Electron: 2025-10-30T18:49:27.589Z
ElectronBuildId: 34.5.8
Chromium: undefined
Node.js: 132.0.6834.210
V8: 20.19.1
OS: 13.2.152.41-electron.0

10

stopped working for me in the middle of session. LLM was convinced, too, that it was not possible. Despite having solved many issues thanks to it, before.

11

The chat is unable to interact with the browser. It keeps showing Failed to execute tool browser_snapshot