Individual skill
api-bola
Broken Object Level Authorization (BOLA/IDOR) testing for REST and GraphQL APIs — object ID harvesting and swapping across paths, query, body, batch, and nested resources with two-account differential evidence (OWASP API1)
internal/tools/skills/data/api-security/api-bola/SKILL.md
Source commit d42f381ad34843e71a42658e5c57290c713e85af
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- Matches the observed repository HEAD
- Yes
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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- Repository last updated
- Nov 9, 2026
- License
- Apache-2.0
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- cybersecurity Repository topic
- security Repository topic
- bug-bounty Repository topic
- automation Repository topic
- autonomous-pentesting Repository topic
- ai-agent Repository topic
- ai-security Repository topic
- ethical-hacking Repository topic
- golang Repository topic
- penetration-testing Repository topic
- testing Derived category
- security Derived category
- security-application Derived category
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# API BOLA — Broken Object Level Authorization (OWASP API1)
## Purpose
Test whether authenticated callers can access or modify other users' objects by manipulating object identifiers, when the server fails to enforce per-object authorization.
## Preconditions
- At least two accounts with distinct data (the two-account differential is mandatory for confirmation)
- A mapped API surface (consume reconnaissance API discovery; do not re-enumerate here)
- Object IDs observed in requests (numeric, UUID, slug, encoded)
## Attack Surface Signals
- Path segments with IDs: `/orders/1042`, `/users/{id}/documents/{uuid}`
- Query/body parameters: `?order_id=`, `{"userId": ...}`, filter params
- List endpoints that leak other-context IDs (harvest victims here)