CVE-2026-56669

highCVSS 7.5covered by 1 sourcefirst seen 2026-07-08

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.

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Exploitation outlook

Low exploitation risk0.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 28% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-56669: Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation…nvd · 2026-07-08

External references

NVD record for CVE-2026-56669

CVE.org record

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