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api-auth-and-jwt-abuse

Identify security weaknesses in API authentication and JWT token handling.

120|8|Updated Jun 2, 2026
Search Tags:#jwt#security testing#api security#bearer token#rate limit bypass
One-click install
npx skills add https://github.com/Prohao42/aimy-skill --skill api-auth-and-jwt-abuse-prohao42
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: api-auth-and-jwt-abuse
Source: https://github.com/Prohao42/aimy-skill/tree/main/ai-mian/hack-skills/skills/api-auth-and-jwt-abuse
Command: npx skills add https://github.com/Prohao42/aimy-skill --skill api-auth-and-jwt-abuse-prohao42

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill addresses the vulnerabilities in API authentication and JWT tokens, streamlining security testing for bearer tokens, API keys, and weak request identity signals.

Core Features & Use Cases

  • Token Trust Analysis: Inspects token claims, issuer, audience, and algorithm for inconsistencies.
  • Quick Attack Picks: Identifies common vulnerabilities like 'alg:none' acceptance and RS256 confusion.
  • Rate Limit Bypass: Provides strategies for bypassing rate limits using headers and other methods.
  • Use Case: When developing or auditing APIs that use JWT or bearer tokens, this Skill helps identify potential security flaws.

Quick Start

Use the api-auth-and-jwt-abuse skill to scan for JWT vulnerabilities in the API at 'https://api.example.com'.

Frequently Asked Questions about api-auth-and-jwt-abuse

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

FAQPage Schema
How do I test JWT authentication for security vulnerabilities in my API?▼

Testing JWT authentication vulnerabilities involves identifying security weaknesses in API token trust boundaries, focusing on token structure, claim misuse, and bearer token handling to ensure proper validation.

What are common JWT attack vectors like alg:none and RS256 confusion?▼

Common JWT attack vectors include 'alg:none' acceptance and RS256 confusion. Identifying these vulnerabilities requires inspecting token claims, issuer, audience, and algorithm for inconsistencies.

How can I bypass API rate limits using bearer tokens?▼

Bypassing API rate limits can be achieved by manipulating request identity signals and headers. Security testing provides strategies for bypassing rate limits using bearer tokens and other methods.

Does this API security skill support testing weak request identity signals?▼

Yes, this skill supports testing weak request identity signals. It streamlines security testing for bearer tokens, API keys, and weak identity signals to identify authentication flaws.

What do I need to analyze when auditing API token trust boundaries?▼

Auditing API token trust boundaries requires analysis of token structure and API behavior. You must inspect token claims, issuer, audience, and algorithm to find inconsistencies.

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