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Improper Input Validation


Severity High
Score 7.5/10


inversoft prime-jwt before version 1.3.0 contains a vulnerability in JWTDecoder.decode that can result in an incorrect signature validation of a JWT token. This attack can be exploitable when an attacker crafts a JWT token with a valid header using 'none' as algorithm and a body to requests it be validated.

  • LOW
  • HIGH
  • NONE
  • NONE
  • NONE
  • NONE

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Advisory Timeline

  • Published