RCE in Patriksimek Vm2
CVE-2026-22709
vm2 is an open source vm/sandbox for Node.js. In vm2 prior to version 3.10.2, `Promise.prototype.then` `Promise.prototype.catch` callback sanitization can be bypassed. This allows attackers to escape the sandbox and run arbitrary code. In…
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.012 (65.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Patriksimek Vm2 — versions < 3.10.2
- Vm2_project Vm2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-22709?
- CVE-2026-22709 is a critical-severity vulnerability in Patriksimek Vm2, classified under Code Injection. CVSS score: 9.8/10. Published 2026-01-26.
- How severe is CVE-2026-22709?
- Critical severity. CVSS v3 base score is 9.8 out of 10.