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Authentication Bypass / 2FA Failure 🔥

Security & Auth
🔥 Critical Severity
💰 $75 - $150
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Bug Description

Authentication System Vulnerabilities

Flaws allowing unauthorized access to user accounts or system resources

Priority Attack Vectors
Vector Description Severity Level
OTP Bypass Access without valid one-time password Critical
Session Hijacking Stealing or manipulating session tokens Critical
Password Reset Flaw Unauthorized password change capability High
Rate Limit Bypass Bypassing login attempt restrictions High
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Eligibility Criteria

Validation Requirements:
Responsible Disclosure: Do not access real user data during testing. Use test accounts only.
  • Clear demonstration of unauthorized access
  • Proof of concept without exploiting real users
  • No social engineering components
  • Comprehensive impact analysis
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Submission Requirements

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Detailed Description

Provide a comprehensive description of the bug, including what it does, who is affected, and when it occurs.

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Reproduction Steps

Step-by-step instructions to reproduce the bug. Number each step clearly.

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Expected vs Actual

Clearly state what should happen vs what actually happens due to the bug.

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Evidence Required

Must include supporting evidence as specified below.

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Required Evidence

The following types of evidence must be included in your submission:

🎥 Video recording 📎 Step by step documentation 📎 Request response logs 📎 Exploit code
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Submission Template

Security Vulnerability Report Template:
Report Structure Guidelines:
  • Vulnerability Class: Specify type (Authentication Bypass, Session Management, 2FA Circumvention, Privilege Escalation)
  • Technical Details: Comprehensive technical explanation of the security flaw
  • Proof of Concept: Detailed reproduction steps with example code or commands
  • Impact Scope: Assessment of affected users and potential damage
  • Remediation Suggestions: Recommended fixes and security improvements
  • CVE Reference: If applicable, reference existing vulnerability database entries
Sample Security Report:

Type: JWT Token Manipulation

Technical: Server accepts unsigned JWTs allowing role escalation

POC: 1. Capture valid token 2. Modify payload to admin:true 3. Submit without signature 4. Access admin panel

Impact: Full platform compromise if exploited

Fix: Implement proper JWT signature verification

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Processing Timeline

Within 24 hours
Initial review and acknowledgment of your report
3-5 days
Detailed assessment by security team
7-14 days
Resolution and reward processing
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📈 Bounty Stats

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0
Reports
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24h
Avg. Response
✅
High
Priority
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1
Total in Category

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