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...

Information Exposure

Overview vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Information Exposure via the sandbox CallSite handling. An attacker can leak absolute host filesystem paths by causing error.stack or getEvalOrigin t...

GHSA-V27G-JCQJ-V8RW vm2 is Vulnerable to Host File Path Disclosure via Stack Trace Information Leak

Summary 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 extract the full directory structure, library paths, and...

PT-2026-38393

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description The CallSite wrapper class, designed as a safe wrapper for V8's native CallSite, fails to sanitize the output of the getFileName function. While the class blocks getThis and getFunction to prevent host...