Static Application Security Testing

Automatically identify security flaws in your code.

Identify vulnerabilities across your codebase with clear explanations, precise locations, and actionable recommendations to help your team fix issues faster.

Lumstep static analysis dashboard highlighting a code vulnerability with its exact file, line, and recommended fix

Broad coverage

Supports the languages you use.

Lumstep analyzes 11 languages - JavaScript, TypeScript, Python, Java, Go, C/C++, PHP, Ruby, C#, Kotlin, and Swift - and detects each automatically from your files. Connect a GitHub or GitLab repository once.

  • 11 languages scanned, auto-detected by file type
  • Framework-aware: Django, Express, Spring, Rails, and Vue misconfigurations included
  • Works on GitHub and GitLab from day one
Language coverage
JavaScript · TypeScript · PythonFull rule coverage
Scanned
Java · Go · C/C++ · C#Full rule coverage
Scanned
PHP · Ruby · Kotlin · SwiftFull rule coverage
Scanned
Languages supported11, auto-detected →
No security team required

Advanced security checks made accessible.

Security checks are continuously updated to reflect evolving threats, so your code is assessed against current best practices without additional maintenance.

  • Continuously updated security checks for evolving threats
  • No specialized security expertise
  • Covers the most common ways real applications get breached
Security rulesetAuto-updated
AddedPrototype pollutionCWE-1321
UpdatedSSRF detection · Next.jsCWE-918
AddedJWT algorithm confusionCWE-347
UpdatedUnsafe deserializationCWE-502
Exact line, exact fix

See how the input reaches the vulnerability.

Security checks are continuously updated to reflect evolving threats. Every finding includes the affected file, line, relevant data flow where applicable, and practical guidance for resolving the issue.

Path Traversal
src/api/files.ts:42
// filename comes straight from the request
const filePath = `./uploads/${req.query.filename}`
fs.readFileSync(filePath)
// fix: path.basename(req.query.filename) before joining
Prioritized, not just flagged

Review the findings that matter.

A built-in prioritization system helps surface the findings that deserve attention first. Each one includes the affected file, line, and remediation guidance, with optional Linear tickets for findings that need further investigation.

  • Prioritize the findings that deserve attention first
  • Context-rich findings with remediation guidance
  • Optional Linear tickets for findings that require further investigation
312 issues found7 worth fixing now
SQL injection · auth/login.tscritical · Linear ticket opened
Command injection · api/run.tshigh · flagged for review
305 morelow severity - tracked, not urgent

See what's in your code today.

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