Improperly Controlled Modification of Dynamically-Determined Object Attributes

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 Improperly Controlled Modification of Dynamically-Determined Object Attributes via the BaseHandler.set trap in lib/bridge.js. An attacker can mutate...

GHSA-C4CF-2HGV-2QV6 vm2's Bridge Proxy set trap ignores receiver parameter, enabling host object property injection via prototype chain

Summary The BaseHandler.set trap in bridge.js line 1231 ignores the receiver parameter and unconditionally writes to the host target object. Per the Proxy set trap specification, when receiver !== proxy e.g., when a child object inherits from the proxy via Object.create, the property assignment...

vm2's Bridge Proxy set trap ignores receiver parameter, enabling host object property injection via prototype chain

Summary The BaseHandler.set trap in bridge.js line 1231 ignores the receiver parameter and unconditionally writes to the host target object. Per the Proxy set trap specification, when receiver !== proxy e.g., when a child object inherits from the proxy via Object.create, the property assignment...

Improper Control of Dynamically-Managed Code Resources

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 Improper Control of Dynamically-Managed Code Resources via the localPromise constructor in lib/setup-sandbox.js. An attacker can obta...

CVE-2026-43997

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbolnodejs.util.inspect.custom. This vulnerability...

CVE-2026-44000 vm2: sandbox boundary bypass via host Promise resolution preserving host object identity

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the...

CVE-2026-44000 vm2: sandbox boundary bypass via host Promise resolution preserving host object identity

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the...

CVE-2026-43997

CVE-2026-43997 affects the vm2 sandbox for Node.js. The vuln enables an attacker to obtain the host Object and escape the sandbox, potentially leading to arbitrary code execution (RCE). Affected versions were

CVE-2026-43997 vm2: Sandbox Escape

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbolnodejs.util.inspect.custom. This vulnerability...

CVE-2026-43997 vm2: Sandbox Escape

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbolnodejs.util.inspect.custom. This vulnerability...

vm2 安全漏洞

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

vm2 代码注入漏洞

vm2 is a high-level virtual machine/sandbox for Node.js developed by Czech developer Patrik Simek. It runs untrusted code using Node’s built-in modules listed in the allowlist. Versions of vm2 prior to 3.11.0 had a code injection vulnerability; this vulnerability stemmed from the possibility of...

vm2 Host Promise Resolution Preserves Object Identity Across Sandbox Boundary

Summary A sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the sandbox .then callback preserves host identity. This...

Improper Isolation or Compartmentalization

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 Improper Isolation or Compartmentalization through the globalPromise.prototype.then onFulfilled wrapper in the Promise bridge. An attacker can supply...

GHSA-MPF8-4HX2-7CJG vm2 Host Promise Resolution Preserves Object Identity Across Sandbox Boundary

Summary A sandbox boundary violation in vm2 allows host object identity to cross into the sandbox through host Promise resolution. When a host-side Promise that resolves to a host object is exposed to the sandbox, the value delivered to the sandbox .then callback preserves host identity. This...

NPM: vm2 Access to Host Object Enables Sandbox Escape

NPM: vm2 Access to Host Object Enables Sandbox Escape vulnerability discovered by ? in WordPress Npm vm2 versions = 3.10.5...

vm2 Access to Host Object Enables Sandbox Escape

Summary It is possible to obtain the host Object, https://github.com/patriksimek/vm2/commit/ebcfe94ad2f864f0bc35e78cff1d921107cfd160 added some protections, but the implementation is incomplete. Details There are various ways to use the host Object, to escape the sandbox, one example would be usi...

GHSA-47X8-96VW-5WG6 vm2 Access to Host Object Enables Sandbox Escape

Summary It is possible to obtain the host Object, https://github.com/patriksimek/vm2/commit/ebcfe94ad2f864f0bc35e78cff1d921107cfd160 added some protections, but the implementation is incomplete. Details There are various ways to use the host Object, to escape the sandbox, one example would be usi...

PT-2026-38388

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.11.0 Description An issue exists where it is possible to obtain the host Object, allowing an attacker to escape the sandbox. This can be achieved through various methods, such as using the getOwnPropertySymbols function...

CVE-2026-25533

Enclave is a secure JavaScript sandbox designed for safe AI agent code execution. Prior to 2.10.1, the existing layers of security in enclave-vm are insufficient: The AST sanitization can be bypassed with dynamic property accesses, the hardening of the error objects does not cover the peculiar...