vm2: NodeVM builtin denylist bypass via fs/promises despite -fs, allowing host filesystem writes

Summary NodeVM's builtin wildcard policy can allow sandboxed code to access fs/promises even when the embedder denies fs. With the following configuration: js require: builtin: '', '-fs', '-childprocess' require'fs' and require'childprocess' are blocked, but require'fs/promises' and...

Protection Mechanism Failure

Overview org.webjars.npm:vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules. Affected versions of this package are vulnerable to Protection Mechanism Failure in the requireImpl process. An attacker can execute arbitrary JavaScript code outside the intended sandb...

Protection Mechanism Failure

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 Protection Mechanism Failure in the requireImpl process. An attacker can execute arbitrary JavaScript code outside the intended sandbox by supplying...

CVE-2026-92948

vm2 versions = 3.9.6 and therefore executes arbitrary JavaScript in an unrestricted host Node process outside the NodeVM sandbox. Fixed in vm2 3.11.7...

PT-2026-94319

Name of the Vulnerable Software and Affected Versions vm2 versions 3.9.6 through 3.11.6 Description A NodeVM builtin allowlist bypass allows a sandbox escape on Node.js 24 and newer when the embedder explicitly allows the node:test builtin. On Node.js 24+, module.builtinModules exposes the...

PT-2026-105546

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-qhwx-74w5-xhxq. This link is maintained to preserve external references. Original Description vm2 versions = 3.9.6 and therefore executes arbitrary JavaScript in an unrestricted host Node process outside the...