CVE-2026-26956 — vm2: WASM Sandbox Escape (Node 25 only)
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 ho…
Published: 2026-05-04 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7