{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-92947", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-17T12:43:03.568Z", "datePublished": "2026-09-17T13:46:08.167Z", "dateUpdated": "2026-09-17T15:47:14.117Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-17T13:46:08.167Z" }, "datePublic": "2026-08-24T00:00:00.000Z", "title": "vm2 before 3.11.7 Memory Disclosure via Buffer Pool", "descriptions": [ { "lang": "en", "value": "vm2 before 3.11.7 exposes Node's shared Buffer pool to sandboxed code, allowing disclosure of host memory used by Buffer.from, Buffer.concat, and related allocations. Sandboxed code can read and write to host-realm buffers by acquiring ArrayBuffers from small allocations, leading to sensitive data exposure and potential denial-of-service." } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "Exposure of Sensitive Information to an Unauthorized Actor", "cweId": "CWE-200", "type": "CWE" } ] } ], "affected": [ { "vendor": "patriksimek", "product": "vm2", "defaultStatus": "unaffected", "packageURL": "pkg:npm/vm2", "versions": [ { "version": "0", "status": "affected", "versionType": "semver", "lessThan": "3.11.7" }, { "version": "3.11.7", "status": "unaffected", "versionType": "semver" } ] } ], "metrics": [ { "format": "CVSS", "cvssV4_0": { "version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "LOW", "baseScore": 10, "baseSeverity": "CRITICAL" } }, { "format": "CVSS", "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW", "baseScore": 10, "baseSeverity": "CRITICAL" } } ], "references": [ { "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-fcqc-726x-5wfc", "tags": [ "vendor-advisory" ], "name": "GitHub Security Advisory (GHSA-fcqc-726x-5wfc)" }, { "name": "VulnCheck Advisory: vm2 before 3.11.7 Memory Disclosure via Buffer Pool", "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/vm2-before-3.11.7-memory-disclosure-via-buffer-pool" } ], "credits": [ { "lang": "en", "value": "zolbooo", "type": "reporter" } ], "x_generator": { "engine": "vulncheck-endgame" } }, "adp": [ { "references": [ { "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-fcqc-726x-5wfc", "tags": [ "exploit" ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-17T15:46:48.210651Z", "id": "CVE-2026-92947", "options": [ { "Exploitation": "poc" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-17T15:47:14.117Z" } } ] } }