{"cve":"CVE-2026-43997","nvd":{"published":"2026-05-13T18:16:16.177","modified":"2026-10-26T17:10:03.270","status":"Modified","description":"vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10.0},"cwes":["CWE-94","CWE-653"],"references":["https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6","https://access.redhat.com/errata/RHSA-2026:50850","https://access.redhat.com/security/cve/CVE-2026-43997","https://bugzilla.redhat.com/show_bug.cgi?id=2477203","https://github.com/patriksimek/vm2/security/advisories/GHSA-47x8-96vw-5wg6"],"products":["vm2_project:vm2"],"source":"nvd","synced_at":"2026-10-26T17:39:09.812804557+00:00"},"epss":{"cve":"CVE-2026-43997","score":0.00976,"percentile":0.61859,"date":"2026-10-26"},"kev":null,"osv":[{"id":"GHSA-47x8-96vw-5wg6","url":"https://osv.dev/vulnerability/GHSA-47x8-96vw-5wg6","summary":"vm2 Access to Host Object Enables Sandbox Escape","modified":"2026-05-14T20:47:29.697869Z","packages":[{"ecosystem":"npm","name":"vm2","purl":"pkg:npm/vm2","ranges":["<3.11.0"],"fixed":["3.11.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}