Skip to content
OpenAdvisories
Critical · 9.8 CVE-2026-26956 EUVD-2026-26995GHSA-ffh4-j6h5-pg66

vm2: WASM Sandbox Escape (Node 25 only)

Published May 4, 2026 · Updated Jul 15, 2026 · Assigned by GitHub_M

Description

vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.

Affected products

VendorProductAffectedFixed
patriksimek vm2 = 3.10.4 —

Affected packages

EcosystemPackageAffectedFixedRecord
npm vm2 < 3.10.5 3.10.5 GHSA-ffh4-j6h5-pg66

Advisories 1

References