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exploiting-mass-assignment-in-rest-apis

Detect mass assignment vulnerabilities in REST APIs by injecting unexpected parameters.

2|Updated Jun 5, 2026
Search Tags:#api-security#rest-api#vulnerability-testing#security-assessment#mass-assignment
One-click install
npx skills add https://github.com/balsm-health/Balsm-AI --skill exploiting-mass-assignment-in-rest-apis-balsm-health
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: exploiting-mass-assignment-in-rest-apis
Source: https://github.com/balsm-health/Balsm-AI/tree/main/plugin/skills/exploiting-mass-assignment-in-rest-apis
Command: npx skills add https://github.com/balsm-health/Balsm-AI --skill exploiting-mass-assignment-in-rest-apis-balsm-health

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill helps identify mass assignment vulnerabilities in REST APIs, enabling users to escalate privileges and manipulate restricted fields.

Core Features & Use Cases

  • Vulnerability Detection: Scan REST APIs for mass assignment vulnerabilities.
  • Privilege Escalation Testing: Test for role-based access control flaws.
  • Field Manipulation: Attempt to modify sensitive fields to assess authorization issues.
  • Use Case: Conduct security assessments on applications with CRUD API operations to uncover potential vulnerabilities.

Quick Start

Utilize the 'exploiting-mass-assignment-in-rest-apis' skill to test for mass assignment vulnerabilities in a target API endpoint.

Frequently Asked Questions about exploiting-mass-assignment-in-rest-apis

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I detect mass assignment vulnerabilities in a REST API?▼

To detect mass assignment vulnerabilities in a REST API, inject unexpected parameters into API requests to target privilege escalation and unauthorized field manipulation. This process identifies authorization flaws in applications using ORM frameworks.

What tools are needed to test for REST API mass assignment flaws?▼

Testing for REST API mass assignment flaws requires API testing tools like Burp Suite, Postman, or custom scripts. These tools inject unexpected parameters into CRUD operations to assess unauthorized field manipulation.

When should I test web applications for mass assignment vulnerabilities?▼

You should test web applications for mass assignment vulnerabilities during security assessments of CRUD API operations. This targets role-based access control flaws and unauthorized field manipulation in ORM frameworks.

Can I test for privilege escalation by manipulating restricted API fields?▼

Yes, you can test for privilege escalation by manipulating restricted API fields through mass assignment. Inject unexpected parameters during security assessments to uncover role-based access control flaws in REST APIs.

Does mass assignment testing work with ORM frameworks in web applications?▼

Mass assignment testing works directly with web applications using ORM frameworks. By injecting unexpected parameters into REST API requests, you can detect unauthorized field manipulation and evaluate role-based access controls.

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