CVE-2026-25520

CRITICAL

10.0

Descripcion

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can be used to execute arbitrary code outside of the sandbox. This vulnerability is fixed in 0.8.29.

Detalles CVE

Puntuacion CVSS v3.110.0

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado2/6/2026

Ultima modificacion2/18/2026

Fuentenvd

Avistamientos honeypot0

Productos afectados

nyariv:sandboxjs

Debilidades (CWE)

CWE-74

Referencias

https://github.com/nyariv/SandboxJS/commit/67cb186c41c78c51464f70405504e8ef0a6e43c3(security-advisories@github.com)

https://github.com/nyariv/SandboxJS/security/advisories/GHSA-58jh-xv4v-pcx4(security-advisories@github.com)

https://github.com/nyariv/SandboxJS/security/advisories/GHSA-58jh-xv4v-pcx4(134c704f-9b21-4f2e-91b3-4a467353bcc0)

Correlaciones IOC

Sin correlaciones registradas

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