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BreachProbe
Find out if your app leaks its database
BreachProbe scans an app you shipped with Lovable, Bolt, v0 or Supabase and tells you what it is serving the public. The free scan reads the shipped JavaScript for exposed keys, probes Supabase REST endpoints and checks security headers. The paid report adds what a passive scan cannot do: it signs up two throwaway accounts through your own signup endpoint and asks one, table by table, how many rows it can read. Read-only throughout, and every finding carries a written fix.
Top comment
Maker here. Every scanner I tried could tell me a table had a row-level-security policy on it, and none could tell me whether that policy actually worked. That is the bug that leaks the database — a policy that exists, passes the check, and still lets one signed-in user read another's rows. The only way to test it is to hold a session, so BreachProbe signs up two throwaway accounts through your own public signup endpoint and asks one of them, table by table, how many rows it can read. A correctly scoped table answers zero; anything above that belongs to somebody else. Nothing is written to your database and no row values leave your project. The free scan covers the passive checks — exposed keys, open REST tables, headers. The paid report adds the cross-tenant walk and a written fix per finding. Happy to answer anything.
About BreachProbe on Product Hunt
“Find out if your app leaks its database”
BreachProbe was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #101 on the daily leaderboard. BreachProbe scans an app you shipped with Lovable, Bolt, v0 or Supabase and tells you what it is serving the public. The free scan reads the shipped JavaScript for exposed keys, probes Supabase REST endpoints and checks security headers. The paid report adds what a passive scan cannot do: it signs up two throwaway accounts through your own signup endpoint and asks one, table by table, how many rows it can read. Read-only throughout, and every finding carries a written fix.
On the analytics side, BreachProbe competes within SaaS, Developer Tools and Security — topics that collectively have 565.3k followers on Product Hunt. The dashboard above tracks how BreachProbe performed against the three products that launched closest to it on the same day.
Who hunted BreachProbe?
BreachProbe was hunted by Isaiah Kim. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of BreachProbe including community comment highlights and product details, visit the product overview.