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CVE-2026-93603: Vm2 Bridge Host Global Delivered To Sandboxcve-2026-93603-vm2-bridge-host-global-delivered-to-sandbox

vm2 host→sandbox delivery chokepoint ($COERCE in lib/bridge.js) wraps host values into sandbox proxies without refusing the host realm's global object. When sandbox code calls an embedder-exposed sloppy-mode (non-strict) host function with a nullish receiver, V8's OrdinaryCallBindThis substitutes the host global for `this`; this chokepoint then wraps and del

JSCVE-2026-93603GHSA-j89j-5m6r-cr2qCWE-20CWE-693
by Provallyupdated 2026-10-27Apache-2.0
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