{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-47210", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-18T22:25:21.257Z", "datePublished": "2026-06-12T14:17:22.653Z", "dateUpdated": "2026-06-13T03:56:00.069Z"}, "containers": {"cna": {"title": "vm2 sandbox escape via JSPI-backed Promise `.finally()` species bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-913", "lang": "en", "description": "CWE-913: Improper Control of Dynamically-Managed Code Resources", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q"}, {"name": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6", "tags": ["x_refsource_MISC"], "url": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6"}, {"name": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4"}], "affected": [{"vendor": "patriksimek", "product": "vm2", "versions": [{"version": "< 3.11.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-12T14:17:22.653Z"}, "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. This issue has been patched in version 3.11.4."}], "source": {"advisory": "GHSA-6j2x-vhqr-qr7q", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-12T00:00:00+00:00", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-47210"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-13T03:56:00.069Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-47210", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-12T16:02:57.162543Z"}}}], "references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-12T16:03:15.342Z"}}], "cna": {"title": "vm2 sandbox escape via JSPI-backed Promise `.finally()` species bypass", "source": {"advisory": "GHSA-6j2x-vhqr-qr7q", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "patriksimek", "product": "vm2", "versions": [{"status": "affected", "version": "< 3.11.4"}]}], "references": [{"url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q", "name": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6", "name": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4", "name": "https://github.com/patriksimek/vm2/releases/tag/v3.11.4", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. This issue has been patched in version 3.11.4."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-913", "description": "CWE-913: Improper Control of Dynamically-Managed Code Resources"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-12T14:17:22.653Z"}}}, "cveMetadata": {"cveId": "CVE-2026-47210", "state": "PUBLISHED", "dateUpdated": "2026-06-13T03:56:00.069Z", "dateReserved": "2026-05-18T22:25:21.257Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-12T14:17:22.653Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. This issue has been patched in version 3.11.4."}], "id": "CVE-2026-47210", "lastModified": "2026-06-12T17:16:23.987", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-06-12T15:16:29.030", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6"}, {"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-6j2x-vhqr-qr7q"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-913"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "vm2: vm2: Arbitrary code execution via sandbox escape when executing untrusted code with async support.", "id": "2488389", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2488389"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-653", "details": ["vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, a sandbox escape vulnerability in vm2 allows arbitrary code execution in the host process when untrusted code is executed with async support on runtimes exposing WebAssembly JSPI (WebAssembly.promising / WebAssembly.Suspending). In the tested configuration, a JSPI-backed Promise can reach Promise.prototype.finally() in a way that bypasses the expected Promise-species hardening and exposes a host-originated rejection object to attacker-controlled species logic, breaking the sandbox boundary. 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. This sandbox escape vulnerability allows an attacker to execute arbitrary code in the host process. This occurs when untrusted code is executed with asynchronous (async) support on runtimes that expose WebAssembly JavaScript Promise Integration (JSPI). Specifically, a JSPI-backed Promise can bypass expected Promise-species hardening, exposing a host-originated rejection object to attacker-controlled logic and breaking the sandbox boundary."], "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-2026-47210", "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": "Under investigation", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}], "public_date": "2026-06-12T14:17:22Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-47210\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-47210\nhttps://github.com/patriksimek/vm2/commit/6915fa4d9bcebd47b9a4f39a1adc1aa94ef6ffc6\nhttps://github.com/patriksimek/vm2/releases/tag/v3.11.4\nhttps://github.com/patriksimek/vm2/security/advisories/GHSA-6j2x-vhqr-qr7q"], "statement": "The Red Hat Product Security team has rated the impact of this vulnerability as Moderate in Red Hat Developer Hub and Ansible Automation Platform.The affected package is present in both products as a transitive dependency; however, the vulnerable sandbox functionality is not invoked in any production code path. The active sandboxing mechanism used by both products does not rely on this package, and user-supplied input cannot reach the vulnerable code under a standard deployment. Exploitation would require an attacker to independently route arbitrary JavaScript into the sandbox runtime, a condition not present in the default configuration of either product.", "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": "2026-06-12T15:30:31.794277+00:00", "updated": "2026-06-23T13:45:03.697041+00:00", "vendors": ["patriksimek", "patriksimek$PRODUCT$vm2"]}