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OpenAdvisories
High · 7.5 CVE-2026-56669 EUVD-2026-42394GHSA-9643-4qgh-g8mx

Elysia: Inefficient Algorithmic Complexity and Interpretation Conflict

Published Jul 8, 2026 · Updated Jul 10, 2026 · Assigned by GitHub_M

Description

Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation, and client-server communication. Prior to 1.4.29, Elysia uses getAll in form data normalization for multipart/form-data endpoints, causing the amount of work to grow quadratically with the number of unique key-value pairs and allowing CPU exhaustion. This issue is fixed in version 1.4.29.

Affected products

VendorProductAffectedFixed
elysiajs elysia < 1.4.29 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm elysia < 1.4.29 1.4.29 GHSA-9643-4qgh-g8mx

References