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@nyariv/sandboxjs has Sandbox Escape via Prototype Whitelist Bypass and Host Prototype Pollution

🗓️ 05 Feb 2026 21:04:58Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Sandbox escape by shadowing hasOwnProperty disables prototype whitelist, enabling host pollution.

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06 Feb 2026 21:42Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.110
EPSS0.00034
SSVC
6