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Common False Positives from Automated Scanners

5 min readUpdated February 2026
Quick Answer

Automated scanners generate 60-80% false positives. Common culprits: outdated deps on unused code, misflagged CORS, generic SQLi/XSS suspicions, server banners, suspected IDOR. Manual white-box verifies every finding with live exploits — zero false positives. 48-72 hours, $1,997.

Top 5 False Positives in 2026

TypeWhy Scanners Flag ItReal ImpactManual Fix
Outdated depsVersion in package.jsonUnused or patched at runtimeReview actual usage
SQLi / XSS suspicionsSuspicious patternsSanitized inputs block itLive exploit attempt
CORS / CSP misconfigPermissive headersNo data actually leakingContextual check
Server bannersSees version in headersNo known vulnsOnly flag if CVE exists
Access control suspicionsSequential IDsServer-side checks workFull auth/role testing

Why False Positives Hurt Your Team

How Skyline Eliminates False Positives

  1. White-box access — Full source for context
  2. Manual exploitation — No exploit = no report
  3. Framework expertise — Node.js, Django, Laravel patterns
  4. Real results — Scanners flagged 30+, we verified 15 real

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