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CVE-2026-47135 vm2: Sandbox escape via unblocked cross-realm Symbol.for keys + missing bridge write-trap symbol checks

πŸ—“οΈΒ 12 Jun 2026Β 14:14:42Reported byΒ GitHub_MTypeΒ 
cvelist
Β cvelist
πŸ”—Β www.cve.orgπŸ‘Β 4Β Views

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having ...

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Affected
Refs
[
  {
    "vendor": "patriksimek",
    "product": "vm2",
    "versions": [
      {
        "version": "< 3.11.4",
        "status": "affected"
      }
    ]
  }
]

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12 Jun 2026 14:14Current
CVSS 3.18.7
4