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-2026-44000 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 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...

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

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-2026-44000: Protection Mechanism Failure

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...

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...

CVE-2026-43997: Improper Control of Generation of Code

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 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...

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...

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...

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...

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...

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...

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 A flaw in the Node.js sandbox library allows sandboxed code to obtain the host Object. This occurs due to incorrect code generation management and incomplete protections. An attacker can use the host...

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...

CVE-2026-25533 Enclave has a sandbox escape via infinite recursion and error objects

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...