Vercel Security is breaking opengraph meta tags

Was just about to post my article on Bluesky only to find it failing to grab the opengraph tags... using a tester I can see the problem:

<img width="994" height="1046" alt="Image" src="https://github.com/user-attachments/assets/8d08de32-a113-40dc-bb51-7c919d2e3425" />