PT-2026-45021 · Npm · Vm2

Published 2026-05-29 · Updated 2026-06-12 · CVE-2026-47131

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.4

Description A sandbox escape exists that allows attackers to execute arbitrary code on the host system. This is achieved by combining Buffer.call.call({}. lookupGetter , Buffer, " proto "), Buffer.call.call({}. lookupSetter , Buffer, " proto "), and the Node.js ERR INVALID ARG TYPE Error to obtain the host's TypeError constructor.

Recommendations Update to version 3.11.4.

Exploit

Fix

RCE

Weakness Enumeration

CWE-913

Related Identifiers

CVE-2026-47131

GHSA-V6MX-MF47-R5WG

Affected Products

Vm2

References · 9

• 🔥 https://github.com/patriksimek/vm2/security/advisories/GHSA-v6mx-mf47-r5wg · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-47131 · Security Note
• https://osv.dev/vulnerability/GHSA-v6mx-mf47-r5wg · Vendor Advisory
• https://github.com/patriksimek/vm2 · Note
• https://github.com/patriksimek/vm2/commit/27c525f4615e2b983f122e2bed327d810126f5c8 · Note
• https://github.com/patriksimek/vm2/releases/tag/v3.11.4 · Note
• https://twitter.com/UpwindMDR/status/2061031531552858219 · Twitter Post
• https://twitter.com/SecAlertsCo/status/2060867511566942227 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2065504189128614192 · Twitter Post