CVE-2026-56669
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductElysia
PublishedJul 8, 2026
First seenJul 8, 2026
Weakness typeCWE-407CWE-407CWE-436CWE-436
How to fix
Update
- elysia1.4.29 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| elysianpm | v < 1.4.29 | 1.4.29 |
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