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authbypass-authentication-flaws

Identify and exploit authentication bypass vulnerabilities across login, password reset, MFA, and session systems.

96|1|Updated Jun 4, 2026
Search Tags:#vulnerability assessment#security testing#penetration testing#session management#authentication bypass#mfa bypass#password reset flaws
One-click install
npx skills add https://github.com/langbyyi/CyberStrikeAI-SRC --skill authbypass-authentication-flaws-langbyyi
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: authbypass-authentication-flaws
Source: https://github.com/langbyyi/CyberStrikeAI-SRC/tree/main/skills/authbypass-authentication-flaws
Command: npx skills add https://github.com/langbyyi/CyberStrikeAI-SRC --skill authbypass-authentication-flaws-langbyyi

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Security teams and penetration testers often struggle to systematically identify hidden authentication bypass vulnerabilities across diverse login flows, password reset mechanisms, MFA implementations, and session management systems, which are frequently overlooked in automated scans and manual testing.

Core Features & Use Cases

  • Comprehensive Attack Playbook: Covers 12 core categories of authentication flaws including SQL injection login bypass, password reset token vulnerabilities, account enumeration, brute force bypass, MFA weaknesses, session management flaws, and insecure token prediction.
  • Structured Test Patterns: Includes 22 password reset attack patterns, 20 CAPTCHA/verification bypass methods, and service-specific default credential sets for common platforms like phpMyAdmin, SSH, FTP, and databases.
  • Use Case: A penetration tester conducting an authorized assessment of a corporate web application can use this playbook to methodically test for login bypass via SQL injection, predict password reset tokens, test MFA skip vulnerabilities, and validate brute force protections to identify all authentication weaknesses before malicious actors can exploit them.

Quick Start

Use the authbypass-authentication-flaws skill to methodically test the target application's login, password reset, and MFA flows for authentication bypass vulnerabilities as part of your authorized security assessment.

Frequently Asked Questions about authbypass-authentication-flaws

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

FAQPage Schema
How do I test for authentication bypass vulnerabilities in a web application?▼

To test for authentication bypass vulnerabilities, systematically evaluate login mechanisms, password reset workflows, MFA implementations, and session management using structured playbooks. This approach validates brute force protections, token predictability, and account enumeration risks during authorized penetration testing.

What are common MFA bypass techniques and session management flaws?▼

Common MFA bypass techniques include MFA skip vulnerabilities and verification bypass methods, while session management flaws involve insecure token prediction. A comprehensive testing playbook identifies these weaknesses across 12 core categories of authentication failures.

How do I check password reset token vulnerabilities and predictability?▼

To check password reset token vulnerabilities, apply 22 structured attack patterns designed to test token predictability and workflow integrity. These test patterns help penetration testers identify insecure token generation and password reset flaws methodically.

Can I use this authentication assessment playbook for internal services and APIs?▼

Yes, you can use this authentication bypass assessment playbook for web applications, APIs, internal services, and enterprise platforms. It provides structured test patterns for SQL injection login bypass, default credential sets, and CAPTCHA bypass methods across these environments.

What is the best way to identify account enumeration and brute force bypass risks?▼

The best way to identify account enumeration and brute force bypass risks is using structured checklists that validate brute force protections and login responses. This systematic testing reveals hidden authentication weaknesses often overlooked in automated scans.

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