JSON Web Token (JWT) Vulnerability

Anandhu Krishnan
Published on
14 May 2024


A vulnerability that allows attackers to bypass authentication mechanisms by exploiting weaknesses in JSON Web Token (JWT) implementations.


Implement additional validation and sanitization of JWT claims to ensure their authenticity, integrity, and consistency with the expected values. Furthermore, consider using a secure token store and revoking access tokens when they are no longer valid or have expired.

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Written by
Anandhu Krishnan
Anandhu Krishnan
Lead Engineer
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