{"id":"CVE-2026-92955","summary":"vm2 before 3.11.8 Sandbox Escape via NodeVM","details":"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.","aliases":["GHSA-88hf-g992-jg85"],"modified":"2026-09-19T03:47:29.806623630Z","published":"2026-09-17T13:46:13.508Z","database_specific":{"cwe_ids":["CWE-913"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92955.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92955.json"},{"type":"ADVISORY","url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-88hf-g992-jg85"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92955"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vm2-before-3.11.8-sandbox-escape-via-nodevm"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/patriksimek/vm2","events":[{"introduced":"0"},{"fixed":"525961bf631b4a5a776e1eb620bcadad4438b130"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"3.11.8"},{"introduced":"vm2"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v3.11.7","3.11.6","v3.11.5","v3.11.4","v3.11.3","v3.11.2","v3.11.1","v3.11.0","v3.10.5","v3.10.4","v3.10.3","v3.10.2","v3.10.1","v3.10.0","3.9.19","3.9.18","3.9.17","3.9.16","3.9.15","3.9.14","3.9.13","3.9.12","3.9.11","3.9.10","3.9.9","3.9.8","3.9.7","3.9.6","3.9.5","3.9.4","3.9.3","v3.9.2","v3.9.1","v3.9.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92955.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}