CVE-2026-47135

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{"affected": [{"affectedData": [{"product": "vm2", "vendor": "patriksimek", "versions": [{"status": "affected", "version": "< 3.11.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox code can obtain real cross-realm symbols, write them to host objects, and control host-side behavior \u2014 verified with a full util.promisify hijack chain. This issue has been patched in version 3.11.4."}, {"lang": "es", "value": "vm2 es una m\u00e1quina virtual/sandbox de c\u00f3digo abierto para Node.js. Antes de la versi\u00f3n 3.11.4, la anulaci\u00f3n de Symbol.for en setup-sandbox.js solo interceptaba 2 de los 9 s\u00edmbolos peligrosos de Node.js entre reinos (cross-realm). Combinado con el hecho de que las trampas set/defineProperty/deleteProperty del puente no realizaban una comprobaci\u00f3n de clave isDangerousCrossRealmSymbol, el c\u00f3digo de la sandbox pod\u00eda obtener s\u00edmbolos reales entre reinos (cross-realm), escribirlos en objetos del host y controlar el comportamiento del lado del host - verificado con una cadena completa de secuestro de util.promisify. Este problema ha sido parcheado en la versi\u00f3n 3.11.4."}], "id": "CVE-2026-47135", "lastModified": "2026-10-26T11:10:00.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.8, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-47135", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-06-12T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-06-12T15:16:28.007", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/commit/928aef51898b5c52a05f05a40c4cfeb52e172878"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-m5q2-4fm3-vfqp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vm2: vm2: Sandbox escape allows arbitrary code execution on the host system", "id": "2488396", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488396"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-1100", "details": ["vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, Symbol.for override in setup-sandbox.js only intercepts 2 of 9 dangerous Node.js cross-realm symbols. Combined with the bridge's set/defineProperty/deleteProperty traps having no isDangerousCrossRealmSymbol key check, sandbox code can obtain real cross-realm symbols, write them to host objects, and control host-side behavior \u2014 verified with a full util.promisify hijack chain. This issue has been patched in version 3.11.4.", "A flaw was found in vm2, an open-source virtual machine (VM) sandbox for Node.js. An attacker within the sandbox could exploit incomplete symbol interception and missing security checks to gain control over the host system. This could allow the attacker to execute arbitrary code outside the sandbox environment, leading to a complete compromise of the host."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-47135", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}], "public_date": "2026-06-12T14:14:42Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47135\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47135\nhttps://github.com/patriksimek/vm2/commit/928aef51898b5c52a05f05a40c4cfeb52e172878\nhttps://github.com/patriksimek/vm2/releases/tag/v3.11.4\nhttps://github.com/patriksimek/vm2/security/advisories/GHSA-m5q2-4fm3-vfqp"], "statement": "This vulnerability has been rated as Moderate for Red Hat Developer Hub and Red Hat Ansible Automation Platform. The vm2 sandbox exists as a transitive dependency in Red Hat Developer Hub and is only utilized during build time. The sandbox is therefore not exposed on the production code path. Exploitation of this vulnerability requires attackers to write cross-realm symbol keys to host objects which is not possible in the default configuration of Red Hat Developer Hub.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.11.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "vm2", "source": "cna", "vendor": "patriksimek"}, "product": "vm2", "vendor": "patriksimek"}], "created": "2026-06-12T15:30:31.462217+00:00", "updated": "2026-06-24T10:45:03.167906+00:00", "vendors": ["patriksimek", "patriksimek$PRODUCT$vm2"]}