What can the service-role key do?

It bypasses Row Level Security entirely, giving whoever holds it full read/write over your database. It must never appear in client code.

How do I know if it's exposed?

The scan flags service-role key patterns that appear in browser-visible code and reports their masked locations.

Rotate the key, keep it in a server-only environment variable, and route admin operations through a server endpoint.

Secrets in code

Supabase Service Role Key Check — Is Your Admin Key in Browser Code?

DevMeth checks the 48 known AI-code failure patterns — not a penetration test or a security guarantee.

What the issue is

Your Supabase service-role (admin) key in code that isn't server-only gives anyone who finds it full database control — bypassing RLS entirely.

Why AI tools generate it

AI builders reach for the service-role key 'to make it work' and place it in client code, not realizing this key must never touch the browser.

How DevMeth detects it

A code scan looks for service-role key patterns and flags any that appear in client-visible (non-server) code, reporting the masked location.

What a finding looks like

Critical

Your Supabase admin key (service role) is in code that isn't server-only

WHAT WE FOUND

src/lib/supabase.ts — service_role …z8w1 (masked)

Sample — illustrative and masked exactly as a real report shows it. Run a free scan to see your own results.

The fix, in three steps

Move the service-role key to a server-only secret, keep admin database access behind a server endpoint, and rotate the key. Three steps with a guardrail.

Run a free scan and each finding carries a paste-ready fix prompt you can act on.

Try a free scan

FAQ

DevMeth checks the 48 known AI-code failure patterns — not a penetration test or a security guarantee. A clear result means each known pattern was checked and found clear or not applicable for your app; it is not a guarantee of security.