Cannot Log In to v0.dev – Auth Callback Redirects to 500 Error

Help
1

I’m trying to sign in to v0.dev. I expect to be redirected to a login screen where I can enter my email and proceed to access the platform. Instead, I encounter a 500 Internal Server Error during the auth callback step. Using the same account that I’m using right now on community.vercel.com.

Steps to Reproduce the Issue

  1. Go to https://v0.dev
  2. Click “Sign in”
  3. I’m redirected to https://v0.dev/api/auth/callback
  4. Instead of proceeding, I receive a 500 Internal Server Error
  5. If I try this in an incognito window:
  • I do see the login screen and can input my email
  • I receive the sign-in verification email and enter the token
  • But then I hit the same 500 error at the auth callback step
  1. If I refresh the callback page, I get “authentication failed”

Clicking “Sign Up” will give me the same result.

What I’ve Tried

  • Cleared browser cache and cookies
  • Tested across normal and incognito modes
  • Confirmed same issue in both contexts, with slight variation as noted above
  • Using Chrome.
  • Deleted old Account Settings acess tokens

Project/Environment Info

  • Accessing from Firefox
  • No VPN interference
  • OS: macOS 15.5

Is there any way I can bypass or resolve this issue to complete the login flow? Would appreciate any help or direction.

Thanks!

3

same issue for me, only thing that did work was to open a cognito tab on google.
really inconvenient because i don’t stay logged in that way

maybe this helps somewhat

4

This has happened to me too. I tried incognito and it still doesn’t for me. I tried making a new account as well to see if it’s just my old account and I encountered the same issue.

5

I have the same problem sometimes i can not even load the sign in screen, sometimes i get the 500 error after the google password or verification screen. Tried incognito and different browsers too.

6

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