CVE-2026-44002 vm2: Host File Path Disclosure via Stack Trace Information Leak

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, vm2's CallSite wrapper class intended as a safe wrapper for V8's native CallSite blocks getThis and getFunction to prevent host object leakage, but allows getFileName to return unsanitized host absolute paths. Any sandboxed code can...

CVE-2026-44002

CVE-2026-44002 affects the vm2 sandbox for Node.js. Before 3.11.0, the CallSite wrapper blocks getThis() and getFunction() but allows getFileName() to reveal unsanitized host absolute paths. This enables sandboxed code to leak the host directory structure, library paths, and framework versions (v...

vm2 安全漏洞

vm2 is a high-level virtual machine/sandbox developed by Czech developer Patrik Simek. It runs untrusted code using built-in Node.js modules listed in the allowlist. Versions of vm2 prior to 3.11.0 have security vulnerabilities; these vulnerabilities stem from the CallSite wrapper class allowing...