[▲ Vercel Community](/) · [Categories](/categories) · [Latest](/latest) · [Top](/top) · [Live](/live) [Feedback](/c/feedback/8) # Supporting oAuth in the Preview Env 25 views · 0 likes · 1 post Paul 6273 (@paul-6273) · 2025-06-10 Hey, Because v0.dev has a CSP that blocks framing of external domains, I am not able to preview an app that has an external auth flow that frames an external oauth domain. I am using supabase for azure based oauth. Is there a work around that would allow me to use the preview the app? The preview feature is nice to use and saves time instead of having to deploy each time.