2 people reported

All time, since Oct 20, 2025.

Existing email signup returns no error

“Hi, I'm trying to troubleshoot a bug I have where I'm not getting an error code when a user try to signup with an existing email.”

Is this your bug? What gets counted gets fixed. Pile on.

Paste this into your agent. It files your report, with your error and version.

I hit this bug: rapsheet.dev/sheets/supabase/issues/10500/file
Follow it to file my report. Show me the text before you send.

No install. No account. Public and anonymous. The link asks your agent for one report, nothing else. What it sends

Signup with an existing email returns no error.

Is this your bug?

Where: Supabase Auth
How bad: Breaks a normal workflow.

Original reports2, newest first

Nov 18, 2025Email confirmation redirect page stuck / success message won't center and redirect#40820
Oct 20, 2025No error return for signup of duplicate email#39685

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