CVE-2023-6293: Prototype Pollution vulnerability in sequelize-typescript
Summary
CVE-2023-6293: sequelize-typescript Prototype Pollution vulnerability. Affects sequelize-typescript versions < 2.1.6. Fixed in 2.1.6. How to fix ↓
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Background
The sequelize-typescript package is an npm package that provides TypeScript decorators and helper functions for the Sequelize ORM library. Sequelize is a popular Object-Relational Mapping (ORM) tool for Node.js, which allows developers to interact with relational databases using JavaScript. sequelize-typescript simplifies the usage of Sequelize by providing decorators to define models and associations in TypeScript. However, versions prior to 2.1.6 of sequelize-typescript are vulnerable to Prototype Pollution.
Vulnerability Detail
The Prototype Pollution vulnerability in sequelize-typescript allows an attacker to modify the prototype of an object, leading to potential remote code execution or denial of service attacks. This vulnerability arises due to insufficient input validation when handling user-supplied data. By manipulating the prototype of an object, an attacker can modify its behavior and potentially execute arbitrary code or disrupt the application's normal functionality.
How To Fix
Latest published version: 2.1.6 as of 23 Oct 2026
npm install sequelize-typescript@2.1.6The newest release already contains this fix.
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Conclusion
In conclusion, the sequelize-typescript package prior to version 2.1.6 is vulnerable to Prototype Pollution. To mitigate this vulnerability, it is crucial to upgrade to version 2.1.6 or later. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Prototype Pollution is a vulnerability that occurs when an application allows user-controlled input to modify the prototype of an object. This can lead to unexpected behavior and potential security issues.
The Prototype Pollution vulnerability in sequelize-typescript can potentially allow an attacker to execute arbitrary code or disrupt the normal functionality of the application. This can lead to unauthorized access, data breaches, or denial of service attacks.
At the time of this advisory, there is no known public exploit for the Prototype Pollution vulnerability in sequelize-typescript. However, it is important to apply the recommended fix to mitigate the risk.
No, only versions prior to 2.1.6 of sequelize-typescript are affected by the Prototype Pollution vulnerability. It is recommended to upgrade to the latest version to ensure the security of your application.
After upgrading to version 2.1.6 of sequelize-typescript, it is recommended to thoroughly test your application to ensure that the upgrade does not introduce any compatibility issues or regressions.
