CVE-2026-43999

CVE-2026-43999 affects vm2’s NodeVM when the builtins allowlist is configured with a wildcard that includes the module builtin. Prior to version 3.11.0, the module builtin can bypass vm2’s allowlist via Module._load, because vm2 exposes the host’s Module object through a readonly proxy that still...

Arbitrary Code Injection

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 Arbitrary Code Injection through lib/builtin.js. An attacker can execute host code when the allowlist includes -X or uses and then calls...

GHSA-947F-4V7F-X2V8 vm2 has a NodeVM builtin allowlist bypass via `module` builtin's `Module._load` that allows sandbox escape

Summary NodeVM's builtin allowlist can be bypassed when the module builtin is allowed including via the '' wildcard. The module builtin exposes Node's Module.load, which loads any module by name directly in the host context, completely bypassing vm2's builtin restriction. This allows sandboxed co...

PT-2026-38390

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description NodeVM's builtin allowlist can be bypassed when the module builtin is allowed, including when the wildcard is used. The module builtin exposes Node's Module. load function, which loads any module by nam...