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What is JWT Bypass & Weak Signing?

Definition

Exploiting improperly configured JWTs, such as the 'none' algorithm or brute-forcing weak HMAC secrets.

Security Impact

Full account takeover and privilege escalation by forging an admin JWT.

How to Remediate

Enforce strict algorithm checking (e.g., RS256), use strong 256-bit+ secrets, and set short expiration times.

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