Rate Limiting Bypass with Jwt Tokens

Rate limiting bypass vulnerabilities in JWT tokens exploit the stateless nature of JWT authentication to circumvent per-user request limits. Attackers can manipulate token claims, reuse tokens across different user contexts, or exploit timing issues to exceed intended rate limits.

The most common JWT rate limiting bypass occurs through token manipulation. Since JWT tokens are self-contained and signed, systems often trust the claims within them without proper validation. An attacker can modify the iat (issued at) or exp (expiration) claims to create tokens that appear valid from different time periods, effectively resetting rate limit counters.