{"id":"CVE-2026-92955","published":"2026-09-17T14:18:01.480","lastModified":"2026-09-17T15:17:01.040","description":"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.","cvssScore":10,"cvssSeverity":"CRITICAL","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cwes":["CWE-913"],"vendors":[],"products":[],"references":[{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85","tags":[]},{"url":"https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-via-nodevm","tags":[]},{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85","tags":[]}],"exploitRefs":[{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85","tags":[]},{"url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85","tags":[]}],"hasPoc":true,"ai":{"summary":"This vulnerability allows attackers to escape the sandbox and execute arbitrary code with process context, bypassing security restrictions.","exploitability":"Exploitation is relatively straightforward given the preconditions of running a vulnerable version of vm2 and having access to console._stdout or console._stderr.","blast_radius":"If exploited, this could lead to complete compromise of the host system, including data theft, unauthorized code execution, and potential lateral movement.","remediation":"Upgrade to vm2 version 3.11.8 or later.","detection":"No reliable host or network indicator is derivable from the published description.","tags":["rce","sandbox-escape","nodejs","vm2"],"model":"qwen2.5:7b-instruct","analyzedAt":"2026-09-27T08:55:35.782Z"}}