Softr

Softr Security Best Practices

Built a no-code app with Softr? Make sure your Airtable data and user access controls are properly secured before launch.

Verify your app follows these best practices automatically.

These best practices are derived from the actual security findings we see in Softr apps — not a generic OWASP list. Priority ordered: critical items close data-exposure gaps, high items prevent compromise, medium items reduce attack surface. Stack-specific guidance for Firebase included.

Quick Wins

Move all secrets server-side (environment variables, serverless functions)
Enforce all security-relevant checks server-side
Scan your deployed application with a security tool that understands this stack
Use parameterized queries, sanitize all user input, and render dynamic content with framework escaping (React JSX, not dangerouslySetInnerHTML)
Run a VAS scan against the deployed Softr app

Security Best Practices

#1Keep every secret server-side

high

Softr apps connect to Airtable as a data source. If the API key is exposed in client-side code, attackers can directly query your entire Airtable base.

Implementation

Move all secrets server-side (environment variables, serverless functions). Rotate any keys previously in frontend code. Audit bundles for leftover credentials before each deploy.

#2Client-Side Data Filtering

high

Softr applies visibility rules in the browser rather than at the data layer. Users can intercept API responses to see records they shouldn't access.

Implementation

Enforce all security-relevant checks server-side. Treat client-side validation as UX only — attackers bypass the UI entirely by calling APIs directly.

#3Close: Weak Role-Based Access

medium

User group permissions may only restrict UI visibility without enforcing access at the API level, allowing role escalation.

Implementation

Scan your deployed application with a security tool that understands this stack. Address the specific findings — generic best practices don't catch platform-specific misconfigurations.

#4Configure security headers

high

Softr-hosted apps often lack CSP, HSTS, and X-Frame-Options headers, leaving them vulnerable to XSS and clickjacking.

Implementation

Use parameterized queries, sanitize all user input, and render dynamic content with framework escaping (React JSX, not dangerouslySetInnerHTML).

Common Mistakes to Avoid

Exposed Airtable API Keys

Why it's dangerous:

Softr apps connect to Airtable as a data source. If the API key is exposed in client-side code, attackers can directly query your entire Airtable base.

How to fix:

Move all secrets server-side (environment variables, serverless functions). Rotate any keys previously in frontend code. Audit bundles for leftover credentials before each deploy.

Client-Side Data Filtering

Why it's dangerous:

Softr applies visibility rules in the browser rather than at the data layer. Users can intercept API responses to see records they shouldn't access.

How to fix:

Enforce all security-relevant checks server-side. Treat client-side validation as UX only — attackers bypass the UI entirely by calling APIs directly.

Weak Role-Based Access

Why it's dangerous:

User group permissions may only restrict UI visibility without enforcing access at the API level, allowing role escalation.

How to fix:

Scan your deployed application with a security tool that understands this stack. Address the specific findings — generic best practices don't catch platform-specific misconfigurations.

Missing Security Headers

Why it's dangerous:

Softr-hosted apps often lack CSP, HSTS, and X-Frame-Options headers, leaving them vulnerable to XSS and clickjacking.

How to fix:

Use parameterized queries, sanitize all user input, and render dynamic content with framework escaping (React JSX, not dangerouslySetInnerHTML).

Verify Your Softr App Security

Following best practices is the first step. Verify your app is actually secure with a comprehensive security scan.

Get Starter Scan

Frequently Asked Questions

What's the minimum security I need for a Softr app?

The critical-priority items above are non-negotiable for any Softr app that handles user data: . Everything else is iterative.

Should I run a security scan before launching a Softr app?

Yes — unconditionally. The mitigations above are specific enough that a scan proves they're implemented correctly. "I followed the checklist" isn't evidence; "the scan came back clean" is.

Is Softr secure by default?

Softr provides secure infrastructure, but the application-layer configuration (listed above) is the developer's job. The default state of a Softr app before any security work typically has at least one critical-priority issue open.

Last updated: April 2026