{"id":"CVE-2026-92953","summary":"vm2 3.11.0 through 3.11.7 Prototype Pollution via TypedArray","details":"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.","aliases":["GHSA-3vgf-8m4q-q4qr"],"modified":"2026-09-20T11:30:43.947213103Z","published":"2026-09-17T13:46:12.146Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-913"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92953.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/92xxx/CVE-2026-92953.json"},{"type":"ADVISORY","url":"https://github.com/patriksimek/vm2/security/advisories/GHSA-3vgf-8m4q-q4qr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92953"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/vm2-3.11.0-through-3.11.7-prototype-pollution-via-typedarray"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/patriksimek/vm2","events":[{"introduced":"fca270df73b64a88e2f9ce71ac17663b6eaf814e"},{"fixed":"525961bf631b4a5a776e1eb620bcadad4438b130"}],"database_specific":{"extracted_events":[{"introduced":"3.11.0"},{"fixed":"3.11.8"}],"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"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-92953.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:N/VI:H/VA:H/SC:N/SI:H/SA:H"}]}