JWT Token
Header
Payload
Signature
Security Analysis
⚔️ JWT Attack Platform
Guided attack generation for comprehensive JWT security testing
Select Attack Category
Algorithm Attacks
None Algorithm Bypass
Remove signature verification by setting algorithm to "none"
Algorithm Confusion
Convert asymmetric algorithms (RS256/RS384/RS512) to symmetric (HS256/HS384/HS512) using public key as HMAC secret
Header Injection Attacks
Kid Parameter Injection
SQL injection, path traversal, command injection via kid parameter
JKU/X5U Manipulation
URL manipulation attacks for key injection and SSRF
JWK Header Injection
Embed malicious public key directly in JWT header
Payload Manipulation
Privilege Escalation
Role and permission bypass through payload manipulation
Claim Spoofing
Manipulate user identity and authorization claims
Configure Attack
Generated Attack Payloads
JWT Token for Bruteforce
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