JSON Web Token - API Security Blog

CVE-2021-27884

Weak JSON Web Token (JWT) signing secret generation in YMFE YApi through 1.9.2 allows recreation of other users' JWT tokens. This occurs because Math.random in Node.js is...Read More ...

May 23, 2025

CVE-2021-41106

JWT is a library to work with JSON Web Token and JSON Web Signature. Prior to versions 3.4.6, 4.0.4, and 4.1.5, users of HMAC-based algorithms (HS256, HS384, and HS512) combined with LcobucciJWTSigner ...

May 23, 2025

CVE-2025-4692 ABUP IoT Cloud Platform Incorrect Privilege Assignment

Actors can use a maliciously crafted JavaScript object notation (JSON) web token (JWT) to perform privilege escalation by submitting the malicious JWT to a vulnerable method exposed on the cloud platf ...

May 23, 2025

CVE-2021-23207

An attacker with physical access to the host can extract the secrets from the registry and create valid JWT tokens for the Fresenius Kabi Vigilant MasterMed version 2.0.1.3 application and impersonate ...

May 23, 2025

CVE-2021-41130

Extensible Service Proxy, a.k.a. ESP is a proxy which enables API management capabilities for JSON/REST or gRPC API services. ESPv1 can be configured to authenticate a JWT token. Its verified JWT clai ...

May 23, 2025

CVE-2021-23207

An attacker with physical access to the host can extract the secrets from the registry and create valid JWT tokens for the Fresenius Kabi Vigilant MasterMed version 2.0.1.3 application and impersonate ...

May 23, 2025

CVE-2021-29455

Grassroot Platform is an application to make it faster, cheaper and easier to persistently organize and mobilize people in low-income communities. Grassroot Platform before master deployment as of 202 ...

May 23, 2025

CVE-2021-32753

EdgeX Foundry is an open source project for building a common open framework for internet-of-things edge computing. A vulnerability exists in the Edinburgh, Fuji, Geneva, and Hanoi versions of the sof ...

May 23, 2025