CVE-2026-25520criticalCWE-74

CVE-2026-25520: fallo crítico en nyariv SandboxJS

SandboxJS has a Sandbox Escape

Publicada el

Seguir esta CVE+ Monitorear SandboxJS+ Monitorear @nyariv/sandboxjs

Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.

28Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 10epss 0.9%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Productos afectados
nyariv · SandboxJS
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