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@nyariv/sandboxjs has host prototype pollution from sandbox via array intermediary (sandbox escape)

🗓️ 10 Feb 2026 00:24:53Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

SandboxJS allows host prototype mutation via array intermediaries that strip taint, enabling persistent pollution.

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10 Feb 2026 02:56Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19 - 10
EPSS0.00057
SSVC
6