NPM: vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process

NPM: vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process vulnerability discovered by ? in WordPress Npm vm2 versions = 3.12.1...

EUVD-2026-87857

vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process...

GHSA-2V2P-6J97-CJG9 vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process

Summary An untrusted script run by VM.run can construct an embedder-exposed host function that returns a rejected native Promise and ignore the result. The sandbox-to-host construct trap forwards that Promise without applying the host-side rejection handling already used by the neighboring apply...

vm2: GHSA-m283-3h24-438v fix bypass leads to host RCE via call/apply indirection

Summary Untrusted JavaScript run by vm2 can escape the sandbox and execute arbitrary commands in the host Node.js process when an embedder-exposed host Promise rejects. This is an incomplete fix for GHSA-m283-3h24-438v: the advisory's capability-bearing rejection rebuild runs only through this...

Duplicate Advisory: vm2: Host Promise rejection from an exposed constructor can terminate the vm2 host process

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-2v2p-6j97-cjg9. This link is maintained to preserve external references. Original Description vm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In...

CVE-2026-100722

vm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In BaseHandler, the apply trap calls markHostPromiseHandled on the returned value, but the adjacent construct path returns the result of Reflect.construct without the same sanitization. If...

CVE-2026-100722 vm2 before 3.12.2 Host Process Termination via Construct Trap

vm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In BaseHandler, the apply trap calls markHostPromiseHandled on the returned value, but the adjacent construct path returns the result of Reflect.construct without the same sanitization. If...

CVE-2026-100722

The vm2 library before version 3.12.2 is vulnerable to a host process termination due to a flaw in the sandbox-to-host construct trap . Specifically, the BaseHandler fails to apply host-side Promise rejection handling when the apply trap calls markHostPromiseHandled() on a returned value, while t...

CVE-2026-100722 vm2 before 3.12.2 Host Process Termination via Construct Trap

vm2 before 3.12.2 does not apply host-side Promise rejection handling in the sandbox-to-host construct trap. In BaseHandler, the apply trap calls markHostPromiseHandled on the returned value, but the adjacent construct path returns the result of Reflect.construct without the same sanitization. If...

Duplicate Advisory: vm2: Host-returned Promise rejection can bypass vm2's unhandled-rejection hardening and terminate the host process

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-gjq8-xm47-88rc. This link is maintained to preserve external references. Original Description vm2 is a sandbox library for running untrusted JavaScript in Node.js. In versions = 3.10.0 and = 3.11.7, Promises...

PT-2026-99449

Name of the Vulnerable Software and Affected Versions vm2 versions prior to 3.12.2 Description The software fails to apply host-side Promise rejection handling within the sandbox-to-host construct trap. In the BaseHandler component, the apply trap utilizes the markHostPromiseHandled function to...

CVE-2026-85014

undici's experimental WebSocketStream client crashes the whole Node.js process when a remote peer closes the TCP connection without a WebSocket close handshake. On an unclean close the internal socket-close handler calls abort on the writable stream unconditionally and discards the returned...

CVE-2026-85014 undici vulnerable to Denial of Service via WebSocketStream unclean close

undici's experimental WebSocketStream client crashes the whole Node.js process when a remote peer closes the TCP connection without a WebSocket close handshake. On an unclean close the internal socket-close handler calls abort on the writable stream unconditionally and discards the returned...

CVE-2026-44001 vm2: Sandbox Escape via Promise Constructor Unhandled Rejection (Process Crash DoS)

vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, a sandbox escape vulnerability in vm2 v3.10.5 allows any sandboxed code to crash the host Node.js process via a single Promise constructor that triggers an unhandled rejection propagating to the host. The fix for CVE-2026-22709 v3.10....

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 escape exploits, allowing...

Uncaught Exception

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 Uncaught Exception through the Promise constructor when an unhandled rejection propagates from the sandboxed environment to the host process. An...

vm2 has a Sandbox Escape via Promise Constructor Unhandled Rejection (Process Crash DoS)

Summary A sandbox escape vulnerability in vm2 v3.10.5 allows any sandboxed code to crash the host Node.js process via a single Promise constructor that triggers an unhandled rejection propagating to the host. The fix for CVE-2026-22709 v3.10.2 only sanitized the onRejected callback in .then and...

Use After Free

Overview Affected versions of this package are vulnerable to Use After Free in the jsstdpromiserejectioncheck function when iterating over the rejectedpromiselist. An attacker can achieve arbitrary code execution or cause a crash by supplying a malicious Error object with a custom property getter...

UBUNTU-CVE-2025-62491

A Use-After-Free UAF vulnerability exists in the QuickJS engine's standard library when iterating over the global list of unhandled rejected promises ts-rejectedpromiselist. The function jsstdpromiserejectioncheck attempts to iterate over the rejectedpromiselist to report unhandled rejections usi...

Denial Of Service (DoS)

http-proxy-middleware is vulnerable to Denial of Service DoS. The vulnerability is due to an unhandled promise rejection error caused by micromatch, which can allow an attacker to crash the server by making requests to certain paths...