FREE SCAN — 150 founder credits, no card

Free Security Scan for Node.js Apps

Scan your Node.js backend for injection, SSRF, and dependency CVEs.

Why Node.js Apps Get Hacked

Node.js backends power most modern startups, and their security comes down to how carefully you handle input, dependencies, and outbound requests. The npm dependency tree is enormous, prototype-pollution and known-CVE packages slip in constantly, and server-side fetch patterns invite SSRF. We scan the exposed surface of your Node service.

Common Node.js Vulnerabilities

Vulnerable npm dependencies

Deep dependency trees accumulate known CVEs fast. Outdated or abandoned packages are a leading cause of server compromise via supply chain.

Injection (SQL / NoSQL / command)

Unparameterized queries and shelling out with user input lead to SQL/NoSQL injection and command injection — full data or server takeover.

SSRF via server-side fetch

Fetching attacker-controlled URLs server-side can reach internal services and cloud metadata endpoints (169.254.169.254) to steal credentials.

Prototype pollution

Merging untrusted JSON into objects without guarding __proto__ can corrupt application behavior and escalate to RCE in some libraries.

Verbose errors & missing headers

Stack traces in responses leak internal structure; missing rate limits and security headers expose the API to abuse.

What the Sable Scan Checks

Exposed secrets & API keys

We scan your client-side bundles and responses for leaked API keys, tokens, database URLs, and 100+ secret patterns that ship to the browser by accident.

Security headers & TLS

HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, and TLS protocol/cipher configuration — graded A-F with copy-paste fixes.

CORS & access control

Overly permissive CORS, wildcard origins with credentials, and broken object-level authorization (IDOR/BOLA) where one user can reach another user's data.

Injection & API surface

SQL/NoSQL injection, exposed OpenAPI/Swagger specs, GraphQL introspection, mass assignment, missing rate limits, and excessive data exposure.

OWASP Top 10 coverage

Autonomous pentesting agents test against the full OWASP Top 10 2025, validate each finding with a proof-of-concept, and re-test after you fix.

Validated findings, not noise

Every reported issue is confirmed by an agent before it reaches you — so you get real, exploitable findings with severity and remediation, not scanner spam.

Scan Your Node.js App in Minutes

Create a free account, point the agents at your app, and get validated findings with proof-of-concept and fix guidance. 150 founder credits, no credit card.

Get 150 Free Credits

Frequently Asked Questions

How do I find vulnerable dependencies in my Node.js app?
Run npm audit and keep packages current, but audit misses runtime and exploitability context. A Sable scan tests the live, exposed surface — confirming which dependency issues are actually reachable and exploitable, not just listed.
What is SSRF and why do Node.js apps have it?
Server-Side Request Forgery is when your server fetches a URL an attacker controls, letting them reach internal services or cloud metadata to steal credentials. It is common in Node because server-side fetch/axios calls often pass user input straight through. Sable tests your fetch endpoints for it.
Is the security scan really free?
Yes. The Headers Scan runs instantly with no signup. For the full agent scan you create a free account and get 150 founder credits with no credit card required — enough to run real scans against your app on demand. Paid credit packs and monthly tiers exist for continuous testing, but you can start for free.
How does Sable scan my app?
Sable runs autonomous pentesting agents (pen-scout, pen-recon, pen-triage, pen-fixer, pen-compliance) that map your attack surface, test against the OWASP Top 10, validate every finding with a proof-of-concept, and re-test after you ship a fix. You chat with the agents on demand instead of waiting weeks for a manual engagement.
Will the scan break or slow down my production app?
No. Scans are designed to be safe and non-destructive. We demonstrate impact with proof-of-concept evidence rather than causing damage, and we never exfiltrate or alter your data.

Security Scans for Other Stacks