Detects hardcoded JWT tokens within the codebase.

Docs > Code Analysis > Static Analysis Rules > Detects hardcoded JWT tokens within the codebase.

Metadata

ID: javascript-node-security/detected-jwt-token

Language: JavaScript

Severity: Error

Category: Security

CWE: 798

Description

JSON Web Tokens (JWT) are commonly used for authentication and information exchange in web applications. While they are a powerful tool, they must be handled with care.

Non-Compliant Code Examples

"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
"eyJ0eXAiOiJKV1QiLA0KImFsZyI6IkhTMjU2In0.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ"
"eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJuYW1lIjoiSm9lIiwKInN0YXR1cyI6ImVtcGxveWVlIgp9"
'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IsWww6HFkcOtIMOWxZHDqcOoIiwiaWF0IjoxNTE2MjM5MDIyfQ.k5HibI_uLn_RTuPcaCNkaVaQH2y5q6GvJg8GPpGMRwQ'
`eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ`

Compliant Code Examples

"eyfoo"
`eybaz`
'eybla'