CVE-2026-56669

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{"affected": [{"affectedData": [{"product": "elysia", "vendor": "elysiajs", "versions": [{"status": "affected", "version": "< 1.4.29"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Elysia es un framework de Typescript para validaci\u00f3n de solicitudes, inferencia de tipos, documentaci\u00f3n OpenAPI y comunicaci\u00f3n cliente-servidor. Antes de la versi\u00f3n 1.4.29, Elysia utiliza getAll en la normalizaci\u00f3n de datos de formulario para endpoints multipart/form-data, lo que provoca que la cantidad de trabajo crezca cuadr\u00e1ticamente con el n\u00famero de pares clave-valor \u00fanicos y permite el agotamiento de la CPU. Este problema est\u00e1 solucionado en la versi\u00f3n 1.4.29."}], "id": "CVE-2026-56669", "lastModified": "2026-10-25T17:10:00.197", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-56669", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-10T15:01:58.719561Z", "version": "2.0.3"}}]}, "published": "2026-07-08T21:16:50.690", "references": [{"source": "security-advisories@github.com", "url": "https://gist.github.com/jviide/ea040eabe7bac058326174e2cd42dfd9"}, {"source": "security-advisories@github.com", "url": "https://github.com/elysiajs/elysia/commit/8358ff9efbcedf9534995f5977f26b9ceab59329"}, {"source": "security-advisories@github.com", "url": "https://github.com/elysiajs/elysia/releases/tag/1.4.29"}, {"source": "security-advisories@github.com", "url": "https://github.com/elysiajs/elysia/security/advisories/GHSA-9643-4qgh-g8mx"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-407"}, {"lang": "en", "value": "CWE-436"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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