High severity7.5NVD Advisory· Published Jul 8, 2026· Updated Jul 10, 2026
CVE-2026-56669
CVE-2026-56669
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
elysianpm | < 1.4.29 | 1.4.29 |
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-9643-4qgh-g8mxghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-56669ghsaADVISORY
- gist.github.com/jviide/ea040eabe7bac058326174e2cd42dfd9nvdWEB
- github.com/elysiajs/elysia/commit/8358ff9efbcedf9534995f5977f26b9ceab59329nvdWEB
- github.com/elysiajs/elysia/releases/tag/1.4.29nvdWEB
- github.com/elysiajs/elysia/security/advisories/GHSA-9643-4qgh-g8mxnvdWEB
News mentions
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