Where does the bug appear (feature/product)?
Somewhere else…
Describe the Bug
Visiting cursor.com results in
“Failed to verify your browser
Code 11”
And the website blocks the connection
Steps to Reproduce
Start Linux VM
Visit cursor.com
Expected Behavior
The website loads
Screenshots / Screen Recordings
Operating System
Linux
Version Information
Ubuntu 24.04 running the latest google-chrome-stable .deb file downloaded from google.com
Does this stop you from using Cursor
Yes - Cursor is unusable
The “Failed to verify your browser — Code 11” error is coming from Vercel’s security checkpoint (which protects cursor.com). This type of browser verification often fails in VM environments because the challenge relies on browser fingerprinting and hardware signals that VMs don’t always expose correctly.
A few things worth trying:
-
Try accessing cursor.com from a browser outside the VM (on your host machine). This is the most reliable workaround.
-
Try a different browser inside the VM (Firefox instead of Chrome, or vice versa).
-
Disable any ad blockers or privacy extensions temporarily, as they can interfere with the verification scripts.
-
Try a different network if possible (mobile hotspot, for example), in case the IP range is flagged.
Importantly, the Cursor IDE itself should not be affected by this. You should still be able to use Cursor for coding, chat, and agent features normally. The cursor.com website is mainly for account management, billing, and documentation.
If you need to manage your account or check usage, you can do so from your host machine’s browser in the meantime. I’ve flagged this internally so our infrastructure team is aware that VM-based browsers are hitting Vercel’s bot protection on cursor.com.
@zzkteaching — could you share what browser and OS you’re using? That would help us understand if this is specific to Linux VMs or broader.
