PT-2026-56580 · Elysiajs · Elysia

Published 2026-07-08 · Updated 2026-07-08 · CVE-2026-56669

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Weakness Enumeration

CWE-407

CWE-436

Related Identifiers

CVE-2026-56669

Affected Products

Elysia

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-56669 · Security Note
• https://github.com/elysiajs/elysia/commit/8358ff9efbcedf9534995f5977f26b9ceab59329 · Note
• https://github.com/elysiajs/elysia/releases/tag/1.4.29 · Note
• https://github.com/elysiajs/elysia/security/advisories/GHSA-9643-4qgh-g8mx · Note
• https://gist.github.com/jviide/ea040eabe7bac058326174e2cd42dfd9 · Note