CVE-2026-25587: fallo crítico en nyariv SandboxJS
SandboxJS has a Sandbox Escape
Publicada el
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 0.7%
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFE_PROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. 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 · SandboxJSCVEs relacionadas — nyariv SandboxJS
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-23830CRITICALSandboxJS has Sandbox Escape via Unprotected AsyncFunction ConstructorEPSS 1.2%CVE-2026-25142CRITICALSandboxJS Prototype Pollution -> Sandbox Escape -> RCEEPSS 1.2%CVE-2026-25520CRITICALSandboxJS has a Sandbox EscapeEPSS 0.9%CVE-2026-25586CRITICALSandboxJS has a Sandbox Escape via Prototype Whitelist Bypass and Host Prototype PollutionEPSS 0.7%CVE-2026-25881CRITICAL@nyariv/sandboxjs has host prototype pollution from sandbox via array intermediary (sandbox escape)EPSS 0.6%CVE-2026-34208CRITICALSandboxJS: Sandbox integrity escapeEPSS 0.6%