Intel

AIKIDO-2025-10372

jwt is vulnerable to Improper Verification of Cryptographic Signature

Improper Verification of Cryptographic Signature Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Jun 16, 2025

50

Medium Risk

This Affects:

RUBYjwt
0.0.1 - 2.10.1
Fixed in 3.0.0
Are you affected? Scan for Free

TL;DR

Affected versions of this package are vulnerable to improper verification of cryptographic signatures. Specifically, the token payload can be accessed without first verifying the JWT signature, allowing attackers to tamper with claims and potentially gain unauthorized access.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

jwt is vulnerable to Improper Verification of Cryptographic Signature in versions 0.0.1 - 2.10.1.

How to fix this

Upgrade the jwt library to the patch version.