CVE-2026-25142 in SandboxJS

Sumário

de MITRE • 03/02/2026

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.

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• Responsável: GitHub M
• Reservar: 29/01/2026
• Divulgação: 03/02/2026
• Moderação: aceite
• Entrada: VDB-343846
• CPE: pronto
• CWE: CWE-94 (confirmado)
• CVSS: 10.0 (CNA)
• EPSS: 0.00258
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-25142
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-25142
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-25142/