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CVE-2026-92955

vm2 before 3.11.8 Sandbox Escape via NodeVM

CVSS 4.0 10.0 CRITICALCVSS 3.1 10.0 CRITICALCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-92955

Published

vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-92955

Published

vm2 before 3.11.8 Sandbox Escape via NodeVM

vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.

Source published
17 Sep 2026 13:46:13 UTC
Source modified
17 Sep 2026 14:23:35 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 4.0 · 10.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CVSS 3.1 · 10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

ChangeIntel

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Sources read 12 Nov 16:29 UTC · 265 of 275 readable · 263 fully read · documentation 469/469 current

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