Individual skill
hunt-mass-assignment
Hunt mass assignment via sensitive field injection and ORM framework exploitation.
redteam/hunt-mass-assignment/SKILL.md
Source commit 1260244136edc6ae698d76d3d526f503e322778d
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- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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Repository context
- Repository stars (not skill ratings)
- 1,356
- Repository last updated
- Nov 7, 2026
- License
- MIT
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- bug-bounty Repository topic
- cloud-security Repository topic
- firebase-hacking Repository topic
- hermes-agent Repository topic
- jwt-attacks Repository topic
- offensive-security Repository topic
- penetration-testing Repository topic
- reconnaissance Repository topic
- red-team Repository topic
- security-automation Repository topic
- redteam Declared skill tag
- mass-assignment Declared skill tag
- api Declared skill tag
- orm Declared skill tag
- authorization Declared skill tag
- field-injection Declared skill tag
- engineering Derived category
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# Mass Assignment Hunting
Hunt for mass assignment vulnerabilities where API endpoints blindly bind user-supplied fields to internal objects without allowlisting. Sensitive fields like `isAdmin`, `role`, `ownerId`, `plan`, `tier`, `balance`, and `verified` can be injected to escalate privileges, bypass payments, or assume ownership of resources.
## When to Use
- API accepts JSON/XML/form body with fields beyond what the UI exposes.
- User profile updates, registration, checkout, or resource creation endpoints.
- Framework ORMs (Rails ActiveRecord, Laravel Eloquent, Django ORM, Mongoose, Prisma) where bulk assignment is the default.
- PATCH endpoints that accept sparse updates — may skip per-field authorization.
## Quick Detection
```bash