{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.11.0"
              },
              {
                "fixed": "3.11.8"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "fca270df73b64a88e2f9ce71ac17663b6eaf814e"
            },
            {
              "fixed": "525961bf631b4a5a776e1eb620bcadad4438b130"
            }
          ],
          "repo": "https://github.com/patriksimek/vm2",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-3vgf-8m4q-q4qr"
  ],
  "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"
  },
  "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.",
  "id": "CVE-2026-92953",
  "modified": "2026-09-20T11:30:43.947213103Z",
  "published": "2026-09-17T13:46:12.146Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "vm2 3.11.0 through 3.11.7 Prototype Pollution via TypedArray"
}