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Kotlin

Kotlin : Unsafe JWT-token verification

Classification

Overview

An unsafe way of verifying the JWT-token is used.

DefaultJwtParser method from io.jsonwebtoken.impl package verifies the token only if there is a signature. If a token without a signature is passed, the verification step will be skipped. This can lead to token tampering and leakage of confidential data.

MEDIUM

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See also

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Kotlin : Missing required cryptographic step

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