{"cve":"CVE-2026-92953","nvd":{"published":"2026-09-17T14:18:01.160","modified":"2026-09-18T20:17:31.113","status":"Deferred","description":"vm2 versions from 3.11.0 before 3.11.8 fail to protect host TypedArray and ArrayBuffer prototypes from sandbox mutation. Attackers can use prototype-walking primitives to reach and modify host Uint8Array.prototype, %TypedArray%.prototype, and ArrayBuffer.prototype, causing host-created typed arrays to observe attacker-controlled properties after VM.run() returns.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H","score":9.3},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H","score":10.0},"cwes":["CWE-913"],"references":["https://github.com/patriksimek/vm2/security/advisories/GHSA-3vgf-8m4q-q4qr","https://www.vulncheck.com/advisories/vm2-3.11.0-through-3.11.7-prototype-pollution-via-typedarray","https://github.com/patriksimek/vm2/security/advisories/GHSA-3vgf-8m4q-q4qr"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:55:23.253742848+00:00"},"epss":{"cve":"CVE-2026-92953","score":0.00501,"percentile":0.42928,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3vgf-8m4q-q4qr","url":"https://osv.dev/vulnerability/GHSA-3vgf-8m4q-q4qr","summary":"vm2: Default VM can mutate host TypedArray and ArrayBuffer intrinsics after the host-prototype pollution fix","modified":"2026-10-05T23:00:06.309865725Z","packages":[{"ecosystem":"npm","name":"vm2","purl":"pkg:npm/vm2","ranges":[">=3.11.0 <3.11.8"],"fixed":["3.11.8"]}]}],"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."]}