{"id":"CVE-2026-92944","revision":"fb62e638796544569be71cc5011f3ced","records":[{"revision":"fb62e638796544569be71cc5011f3ced","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-92944","aliases":[],"title":"vm2 3.10.2 through 3.11.6 Sandbox Escape via Promise Protector","description":"vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.finally() bypasses vm2's wrapper protections due to a stale PromiseThenLookupChain protector in V8 14.6. Attackers can exploit this by creating an async function that returns a Promise with an attacker-controlled constructor Symbol.species, allowing them to reach the host Function constructor and process object for arbitrary code execution.","state":0,"publishedAt":"2026-09-17T13:46:06.201+00:00","modifiedAt":"2026-09-19T02:31:01.016+00:00","affected":[{"ecosystem":"Vendor product","name":"vm2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"patriksimek\",\n                    \"product\": \"vm2\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/vm2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.10.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.11.7\"\n                        },\n                        {\n                            \"version\": \"3.11.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://github.com/patriksimek/vm2/security/advisories/GHSA-27g9-p43v-cw3v","https://github.com/patriksimek/vm2/commit/7b26e81087ec88c287d9a4812f969d412f32774e","https://github.com/patriksimek/vm2/commit/4635ddd85839461c8ad791990023a477efefe7bd","https://www.vulncheck.com/advisories/vm2-3.10.2-through-3.11.6-sandbox-escape-via-promise-protector"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-92944","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-92944","identifiers":["CVE-2026-92944"]},"retained":false,"historicalAffected":[]}],"coverage":[]}