vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

Summary There is a sandbox escape in vm2 3.11.5 / current HEAD when it is used on Node.js 26. The issue is reachable from a default new VM sandbox. No NodeVM, require permission, host object injection, or intentionally unsafe configuration is required. The escape is a patch-bypass of the same...

NPM: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

NPM: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass vulnerability discovered by ? in WordPress Npm vm2 versions = 3.10.1, = 3.11.6...

GHSA-WJWH-QQVP-G4P4 vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

Summary There is a sandbox escape in vm2 3.11.5 / current HEAD when it is used on Node.js 26. The issue is reachable from a default new VM sandbox. No NodeVM, require permission, host object injection, or intentionally unsafe configuration is required. The escape is a patch-bypass of the same...

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 via the WebAssembly.compileStreaming and WebAssembly.instantiateStreaming functions. An attacker can gai...

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 via the WebAssembly.compileStreaming and WebAssembly.instantiateStreaming functions. An attacker can gain access to the...

Duplicate Advisory: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-wjwh-qqvp-g4p4. This link is maintained to preserve external references. Original Description vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on...

GHSA-538Q-XXPG-6H4R Duplicate Advisory: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-wjwh-qqvp-g4p4. This link is maintained to preserve external references. Original Description vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on...

CVE-2026-92956 vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming

vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on Node.js 26. WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects with a host-realm error object; by controlling...

CVE-2026-92956 vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming

vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on Node.js 26. WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects with a host-realm error object; by controlling...

CVE-2026-92956

vm2 versions 3.10.1 through 3.11.6 are vulnerable to a sandbox escape on Node.js 26 that requires only a default new VM() configuration. The root cause is that WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise rejecting with a host-realm error ...

CVE-2026-92956 vm2 3.10.1 through 3.11.6 Sandbox Escape via WebAssembly.compileStreaming

vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on Node.js 26. WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects with a host-realm error object; by controlling...

CVE-2026-92956: Protection Mechanism Failure

vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default new VM sandbox when running on Node.js 26. WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects with a host-realm error object; by controlling...

PT-2026-94327

Name of the Vulnerable Software and Affected Versions vm2 versions 3.10.1 through 3.11.6 Description A sandbox escape exists when running on Node.js 26. The issue occurs because WebAssembly.compileStreaming and WebAssembly.instantiateStreaming can produce a raw host-realm Promise that rejects wit...