Reproduction repository for Auth.js VK provider issue.

Provider type

VK

Environment

  System:
    OS: Windows 10 10.0.19045
    CPU: (12) x64 AMD Ryzen 5 2600 Six-Core Processor
    Memory: 5.75 GB / 15.93 GB
  Binaries:
    Node: 20.11.0 - C:\Program Files\nodejs\node.EXE
    npm: 10.2.4 - C:\Program Files\nodejs\npm.CMD
    pnpm: 8.15.6 - C:\Program Files\nodejs\pnpm.CMD
  Browsers:
    Edge: Spartan (44.19041.3570.0), Chromium (127.0.2651.74)
    Internet Explorer: 11.0.19041.3570
  npmPackages:
    @auth/prisma-adapter: ^2.4.2 => 2.4.2
    next: 14.2.5 => 14.2.5
    next-auth: ^5.0.0-beta.20 => 5.0.0-beta.20
    react: ^18 => 18.3.1

How to reproduce

• Clone the repository and run npm install
• Create and setup vk app https://id.vk.com/about/business/go
• Create .env file from .env.example
• Fill AUTH_VK_ID, AUTH_VK_SECRET variables from created vk app
• Run docker db container npm run db
• Push db schema npx prisma db push
• Run dev app npm run dev
• Go to localhost and click the button "SignIn"

Describe the issue

When trying to sign in through a VK provider, an error is displayed {"error":"invalid_request","error_description":"Code challenge method is unsupported"}

Expected behavior

Normal sign in flow without this error.