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bdu:2026-15022

2026-10-09T05:50:14.233983+00:00

bdu:2026-15022

fkie_cve-2026-92956

2026-10-09T05:50:14.234064+00:00

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 Symbol.species via Promise.prototype.finally, sandbox code receives that raw host error, walks from the host error constructor to the host Function constructor, and recovers the real host `process` object, gaining host Node.js capabilities (e.g. access to host modules such as fs) in the context of the process running the sandbox. No NodeVM, require permission, host object injection, or otherwise unsafe configuration is required. This is a bypass of the fix for GHSA-6j2x-vhqr-qr7q, which removed the JSPI entry points WebAssembly.promising and WebAssembly.Suspending. The issue is fixed in 3.11.7.

Withdrawn: GHSA-538q-xxpg-6h4r — Duplicate Advisory: vm2 sandbox escape via WebAssembly.compileStreaming Promise species bypass

2026-10-09T05:50:14.234138+00:00

Withdrawn by the publisher.

Affected: npm: vm2

## 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This advisory has been withdrawn because it is a duplicate of GHSA-wjwh-qqvp-g4p4.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 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 Symbol.species via Promise.prototype.finally, sandbox code receives that raw host error, walks from the host error constructor to the host Function constructor, and recovers the real host `process` object, gaining host Node.js capabilities (e.g. access to host modules such as fs) in the context of the process running the sandbox. No NodeVM, require permission, host object injection, or otherwise unsafe configuration is required. This is a bypass of the fix for GHSA-6j2x-vhqr-qr7q, which removed the JSPI entry points WebAssembly.promising and WebAssembly.Suspending. The issue is fixed in 3.11.7.

RHSA-2026:76788 — Red Hat Security Advisory: Red Hat Developer Hub 1.10.5 Plugin Catalog GA plugins release.

2026-10-09T05:50:14.234202+00:00

undici: undici: Information disclosure and Denial of Service via malformed Cache-Control directives undici: undici: Denial of Service via unrequested WebSocket subprotocol vm2: vm2: Denial of Service due to memory allocation limit bypass vm2: vm2: Missing Error.cause Sanitization Enables VM2 Sandbox Escape to RCE vm2: vm2: Sandbox Breakout Using Dangerous Host Proto Mutators urllib: urllib: Credential leakage via cross-origin redirects fast-uri: fast-uri: Server-Side Request Forgery via repeated hostname percent-decoding fast-uri: fast-uri: Host confusion via skipped IDN canonicalization fast-uri: fast-uri: Server-side request forgery via malformed IPv6 normalization fast-uri: fast-uri: URI parsing flaw enables server-side request forgery and redirects multer: Multer: Denial of Service via file descriptor leak on aborted uploads multer: Multer: Denial of Service via crafted multipart field names jsonata: JSONata: Arbitrary Code Execution via crafted JSONata expressions jsonata: JSONata: Arbitrary Code Execution via crafted JSONata expressions jsonata: JSONata: Arbitrary Code Execution via crafted JSONata expressions multer: Multer: Denial of Service via oversized array index in field names qs: qs: Denial of Service via improper validation in stringify function fast-uri: fast-uri: Authority Injection via Unvalidated Port Serialization js-yaml: js-yaml: Denial of Service vulnerability in YAML parsing fast-uri: fast-uri: Host confusion via unbalanced URI brackets can bypass sec…