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Replit app security

Your Replit app, safe behind the scenes.

Replit gives your app a real server, database, file storage and background tasks. Our senior engineers make sure all of it works safely, for every customer, every role and every file.

16 Needs fixing

SECURITY AUDIT REPORT

Replit app · real audit

10
Critical
6
High
2
Low
  • CRITICAL FIX ORDER

    Uploaded files protected

  • HIGH FIX ORDER

    Login added to private files

  • HIGH FIX ORDER

    Each organizational separated

From our real Replit audit

LaunchSecure AI
0 +

checks in every audit

LaunchSecure AI
0 Week

to your full audit report

LaunchSecure AI
0 + Years

building software at Teqnovos

LaunchSecure AI
0 +

products delivered for clients

Proof

Trusted where the stakes are highest

CASE STUDY · APP BUILT WITH AI

Protecting children's and medical data before launch

Before launch, our audit uncovered private files anyone could open, families who could see each other's data, and a hidden task deleting real documents. We delivered an 8-step plan to fix every issue, starting with children's data

16
issues uncovered
6
serious risks
8
step fix plan

What we found

CRITICAL

Private documents could be opened by anyone with the link

CRITICAL

One family could see and change another family’s data

CRITICAL

Users could give themselves more access than allowed

CRITICAL

A background task was deleting real uploaded files

High

No tested backups, so one bad day could mean lost data

Your code and data, protected

Be ready when customers ask about GDPR and SOC 2

Who can see and change data

LaunchSecure AI

Checked

Data protected in storage and in transit

LaunchSecure AI

Checked

Passwords and keys kept out of code

LaunchSecure AI

Checked

Records of who did what, and when

LaunchSecure AI

Checked

User data can be exported and deleted

LaunchSecure AI

Checked

Backups that can be restored

LaunchSecure AI

Checked

Changes reviewed and tested before launch

Partly

Privacy policy, contracts, legal basis

Not covered

The SOC 2 report itself

Not covered

What we secure

12 ways we make your Replit app production-ready

These are the 12 areas Replit apps need most. Your audit covers all 131 checks.

Critical: fixed before launch. High: fixed soon after. Medium: planned after launch. Every item is covered in your audit.

Uploaded files that don't disappear

Files your customers need stay safe from cleanup tasks.

CRITICAL

(01)
How we check and fit it
HOW WE CHECK

We trace every task that deletes files and check which records still point to them.

HOW WE FIX IT

We stop deletion of files in use, separate temporary uploads from real documents and protect shared templates.

Private files that need a login

Every document opens only for the right person, through links that expire.

CRITICAL

(02)
How we check and fit it
HOW WE CHECK

We open file links while signed out, try uploads without an account and upload disguised or oversized files.

HOW WE FIX IT

We make storage private, serve files through permission-checked links that expire, and check file type and size.

Each customer stays in their own lane

Permission checks on every action, so each customer works only with their own data.

CRITICAL

(03)
How we check and fit it
HOW WE CHECK

We sign in as every role and try actions that role shouldn't do, including across organizational.

HOW WE FIX IT

We add permission checks on the server to every route and keep each organization separate in code and database.

Logins that stay secure

No secrets in code, old links expire, removed users lose access at once, limits on login attempts.

CRITICAL

(04)
How we check and fit it
HOW WE CHECK

We scan code and history for secrets, replay old links and test what happens after a user is removed.

HOW WE FIX IT

We remove secrets from code, expire links after use, end sessions immediately and limit login attempts.

Database rules that reach the live app

Every rule is added and deployed, so signups and bookings stay accurate.

CRITICAL

(05)
How we check and fit it
HOW WE CHECK

We compare the live database with the rules it should have, and test double clicks and half-finished actions.

HOW WE FIX IT

We add the missing rules, make multi-step actions all-or-nothing and set up a proper way to deploy changes.

Tasks and backups ready for real customers

Jobs that run once, backups we've tested and tests before every release.

HIGH

(06)
How we check and fit it
HOW WE CHECK

We send repeated requests, check your backup settings and look for a test version of your app.

HOW WE FIX IT

We add limits, switch on and test backups, and set up a safe test version.

Safe password reset and account recovery

Reset links that expire, work only once and reach only the right person.

HIGH

(07)
How we check and fit it
HOW WE CHECK

We test reset and recovery flows, including old and reused links.

HOW WE FIX IT

We make reset links expire, single-use and tied to the right account.

Two-step login for admins

Admin accounts are protected with a second step at sign-in.

HIGH

(08)
How we check and fit it
HOW WE CHECK

We review how admins and staff sign in.

HOW WE FIX IT

We add two-step login for admin and staff accounts.

Payments that match the plan

If your app takes payments, prices are checked on the server and every payment confirmation is verified.

HIGH

(09)
How we check and fit it
HOW WE CHECK

We test checkout, plan upgrades and payment confirmations.

HOW WE FIX IT

We move price checks to the server and verify every payment confirmation.

AI features that stay on task

AI prompts and replies are checked, with usage limits, so your AI bill stays predictable.

MEDIUM

(10)
How we check and fit it
HOW WE CHECK

We test AI features with unexpected input and heavy use.

HOW WE FIX IT

We add input checks and usage limits, and keep AI keys on the server.

Up-to-date building blocks

The outside libraries your app is built on are checked and kept up to date.

MEDIUM

(11)
How we check and fit it
HOW WE CHECK

We scan every library your app uses for known issues.

HOW WE FIX IT

We update risky libraries and set up regular checks.

Alerts and activity records

You hear about problems first, with a record of who did what, and when.

MEDIUM

(12)
How we check and fit it
HOW WE CHECK

We look for error alerts, uptime checks and activity records.

HOW WE FIX IT

We set up alerts, uptime checks and activity records.

Background tasks

Background tasks you can rely on

Replit apps often run tasks on their own: cleanups, reminders, imports. We make sure each one does exactly what it should, every time.

Cleanup tasks

01

only remove what's safe to remove.

Reminders

02

sent once, on time.

Backups

03

set up and tested with a real restore.

BACKGROUND TASKS · LAST 24 HOURS
BEFORE OUR AUDIT

# Security rules for this project

Group 22
Illustration based on issues from our real Replit audit.
Many customers, one app

Every customer stays in their own lane

When businesses or families share one app, each sees only its own data. We sign in as every role, in every organization, to confirm it.

WE TEST AS WHAT WE CHECK THE RESULT
A normal user They can only open their own records and files Each customer sees only their own people
A manager in Organization A Organization B's data is out of reach Every organization fully separate
A user changing their own role Only admins can change roles Roles stay exactly as you set them
A removed user Access ends straight away Access ends the moment you remove someone
A visitor with no account Private files and uploads need a login Private files open only for the right person
Lovable's Security Scan vs LaunchSecure audit

Your scan passed. That's where we start .

Lovable's Security Scan checks your code for known patterns. It can tell you a database rule exists. It can't prove the rule stops a real user from reading someone else's data. We can.

Area Lovable's Security Scan LaunchSecure audit
Checks that database rules exist
Yes
Yes
Proves the rules actually work, signed in as different users
No
Yes
Tests your live app the way an attacker would
Needs a separate integration
Yes
Checks who can do what in your business logic
Deep scan, on demand
Yes
Runs every time you change something
Quick scan at publish
Yes
Fixes the deeper issues it finds
No
Yes
A report you can show customers and investors
No
Yes
A senior engineer you can talk to
No
Yes
Good to know

3 things every Replit founder should know

MYTH
FACT
Works for you vs ready for customers

From Replit build to production-ready

Your app can look finished and still sit in the left column. This is the difference our audit and fixes make.

Area Typical Replit app
After LaunchSecure PRODUCTION-READY
Uploaded files
Not yet protected
Protected while in use
Private documents
Shared through open links
Open only to the right person, links expire
Customers
Shared between organizations
Each organization fully separated
Removed users
Access ends later
Lose access immediately
Database rules
Not always deployed
Added, deployed and tracked
Scheduled tasks
Run inconsistently
Run once, reliably
Backups
Not yet tested
Automatic, tested to restore
Where does your app stand today?
Compare our services

Start free. Go as far as you need.

Every service delivers on its own. Choose the one that fits where your app is today.

Free Security Score

Free

no commitment

A guided self-assessment of your app's security and launch readiness. Delivers an instant score across 8 areas, with your highest-priority issues identified.

Start Here

Security Audit

$199

flat fee

An expert-led security review of your existing app. Delivers a written report covering every finding by severity, with a prioritized fix roadmap.

Fix & Launch

Custom quote

scoped after your audit

Implements the findings from your audit on your existing app, with no rebuild. Covers data access, authentication, secrets, file storage and deployment.

Care Plan

Custom

ongoing engagement

Ongoing hosting, maintenance and security for your app after launch. Keeps your platform patched, monitored and stable as you continue to build.

What you walk away with
What we need from you
Not included
Inside your report

Clear answers , in plain English.

Every finding explains what it means for your business, how we checked it and exactly how to fix it, so you can decide fast.

Example Finding.

Your report covers every issue we find across 130+ checks.

FINDING 01 OF 9

CRITICAL · FIX BEFORE LAUNCH

Uploaded documents need protecting from cleanup
WHY IT MATTERS
Keeping every document safe means completed paperwork stays complete, and your staff can trust what they see.
HOW WE FOUND IT
We traced every task that deletes files and found a cleanup job removing documents that records still pointed to.
HOW WE FIX IT
Stop deleting files that are in use, separate temporary uploads from real documents and protect shared templates.
STATUS AFTER FIX & LAUNCH
LaunchSecure AI
130+ checks. Nothing left to chance.
Every audit also includes a walkthrough call and a step-by-step fix plan.

CRITICAL

top priority, fixed before launch.

High

important, fixed before or soon after launch.

Medium

good to improve, planned after launch.

How it works

From first check to launch day, you always know what's next.

2 minTo your free score
01Get your free security score

Answer 8 quick questions and get your score, plus your top fixes, in about 2 minutes.

130+Checks in every audit
02Security Audit

A developer runs 130+ checks on your app and walks you through every result in plain English.

100%Of Fixes Retested
03Fix & Launch

We fix every issue from your audit and retest each one before your app goes live.

24/7Uptime monitoring
04Stay Protected

We keep an eye on your app around the clock and keep it updated while you build.

Your app, live and protected
FAQ

Before you book

Something else on your mind? Talk to an engineer.

Before you hit Publish in Lovable

Do you work with Lovable Cloud or only my own Supabase?

Both. Whether your backend runs on Lovable Cloud or a Supabase project you own, we audit the same things: database rules, sign-ins, storage, edge functions and keys.

Can I keep building in Lovable after you fix it?

Yes. We give you a note explaining every change, so your next prompts don’t undo the fixes. With a Care Plan, we can also check new features before they go live.

Lovable has a security scan. Why do I need an audit?

A scan finds common problems. Our senior engineers test your app by hand, the way real users and attackers would, then fix what they find.

Do I have to rebuild my app?

Almost never. We keep what works and fix what’s risky. If something truly needs rebuilding, your audit will say so clearly.

What do you need from me?

Access to your Lovable project, view-only access to Supabase, and a test login for each type of user. Passwords shared securely, never over chat or email.

How long does it take?

Your audit takes 1 week, including a walkthrough call. You get a quote for the fixes once the audit is done.

Do you make my app GDPR or SOC 2 compliant?

No one can promise that from a code review. Our audit checks many of the technical controls GDPR and SOC 2 expect, which helps you prepare for customer reviews. It is not legal advice or a certificate.

What happens after the audit?

You get your report and a walkthrough call. If you want us to fix the issues, we send a quote for Fix & Launch. There’s no obligation to continue.

Who will work on my app?

Senior engineers from Teqnovos, a software company with [10]+ years of experience. The same engineer who audits your app walks you through the results.

Can you work with my developer or agency?

Yes. We can share the report and fix plan with your team, work alongside them, or handle the fixes ourselves.

Do you also work with Bolt and Replit apps?

Yes. We audit and fix apps built with Lovable, Bolt and Replit.

Our audit reviews technical security controls only. It does not constitute legal advice, a GDPR certification or a SOC 2 report. SOC 2 reports can only be issued by an independent licensed CPA firm. Full compliance also depends on your organizational policies, processes and legal obligations; please consult qualified legal and audit professionals.

Start with an audit

Launch with confidence. Sell with trust.

A senior engineer audits your Lovable app against 130+ checks and walks you through the results within 1 week.