APIIntermediatevAPI
vAPI Walkthrough — Part I
Exploiting OWASP API Security Top 10 vulnerabilities across vAPI endpoints 1–5.
18 min read
Executive Summary
- Vulnerability Chain
- Endpoint enumeration → auth bypass → BOLA → data exfiltration
- Impact
- Unauthorized access to user data and API functionality abuse.
- Methodology
- Structured endpoint testing following OWASP API Top 10 checklist.
Key Findings
| ID | Finding | Severity | Type |
|---|---|---|---|
| V1 | BOLA on user resource endpoints | High | BOLA |
| V2 | Broken authentication on token endpoint | High | Authentication |
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