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CVE-2026-25586 SandboxJS has a Sandbox Escape via Prototype Whitelist Bypass and Host Prototype Pollution

🗓️ 06 Feb 2026 19:54:38Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 31 Views

SandboxJS before 0.8.29 allows sandbox escape via shadowing properties, enabling prototype pollution.

Related
Affected
Refs
[
  {
    "vendor": "nyariv",
    "product": "SandboxJS",
    "versions": [
      {
        "version": "< 0.8.29",
        "status": "affected"
      }
    ]
  }
]

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06 Feb 2026 19:54Current
CVSS 3.110
EPSS0.00039
31