CVE-2026-92781
Gravedad CVSS v4.0:
MEDIA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
16/09/2026
Última modificación:
24/09/2026
Descripción
*** Pendiente de traducción *** Builder.io Gen2 SDKs through versions 5.2.11 and 0.25.13 contain a prototype pollution vulnerability in the unflatten helper that processes builder.userAttributes query parameters without prototype guards. Attackers can craft preview links with __proto__ or prototype segments to pollute Object.prototype in a visitor's browser when the SDK processes the malicious URL.
Impacto
Puntuación base 4.0
5.30
Gravedad 4.0
MEDIA
Puntuación base 3.x
6.30
Gravedad 3.x
MEDIA
Referencias a soluciones, herramientas e información
- https://github.com/BuilderIO/builder
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/functions/get-content/generate-content-url.ts
- https://github.com/BuilderIO/builder/blob/main/packages/sdks/src/helpers/flatten.ts#L60-L76
- https://github.com/BuilderIO/builder/issues/4824
- https://www.vulncheck.com/advisories/builder-io-gen2-sdks-through-5.2.11-prototype-pollution-via-builder-userattributes
- https://github.com/BuilderIO/builder/issues/4824