CVE-2026-92955CWE-913

CVE-2026-92955

Critical · published September 17, 2026

CVSS v3.1
10.0
EPSS
1%
Percentile
53.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
10.0 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
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
EPSS
0.00712 · 53.1th percentile
Weakness
CWE-913 · Improper Control of Dynamically-Managed Code Resources
Published
2026-09-17T18:18Z
References (3)
https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85 · [email protected]https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-via-nodevm · [email protected]https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 19 SEP 03:55Z
    EPSS moved — → 1%
    epss
  • 17 SEP 13:46Z
    vm2 before 3.11.8 Sandbox Escape via NodeVM
    cvelistv5