Arbitrary Command Injection

Elysia is vulnerable to Arbitrary Command Injection. The vulnerability is due to unsanitized injection of dynamic cookie configuration into compiled routes, which allows an attacker with write access to the cookie configuration to inject and execute arbitrary code...

CVE-2025-66457 Elysia affected by arbitrary code injection through cookie config

Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Versions 1.4.17 and below are subject to arbitrary code execution from cookie config. When dynamic cookies are enabled e.g. there an existing cookie schema, the cookie...

PT-2025-50228

Name of the Vulnerable Software and Affected Versions Elysia versions 1.4.17 and below Description Elysia is a Typescript framework used for request validation, type inference, OpenAPI documentation, and client-server communication. Versions 1.4.17 and below are susceptible to arbitrary code...

CVE-2025-66457: Improper Control of Generation of Code

Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Versions 1.4.17 and below are subject to arbitrary code execution from cookie config. When dynamic cookies are enabled e.g. there an existing cookie schema, the cookie...