CVE-2026-49143

BrowserStack Runner through 0.9.5 contains a remote code execution vulnerability in the /log HTTP handler that allows unauthenticated network-adjacent attackers to execute arbitrary code by submitting crafted JSON request bodies to the handler, which passes user-supplied data to vm.runInNewContex...

Happy DOM: VM Context Escape can lead to Remote Code Execution

Escape of VM Context gives access to process level functionality Summary Happy DOM v19 and lower contains a security vulnerability that puts the owner system at the risk of RCE Remote Code Execution attacks. A Node.js VM Context is not an isolated environment, and if the user runs untrusted...

GHSA-37J7-FG3J-429F Happy DOM: VM Context Escape can lead to Remote Code Execution

Escape of VM Context gives access to process level functionality Summary Happy DOM v19 and lower contains a security vulnerability that puts the owner system at the risk of RCE Remote Code Execution attacks. A Node.js VM Context is not an isolated environment, and if the user runs untrusted...

CVE-2025-61927

CVE-2025-61927 affects Happy DOM v19 and earlier, where the Node.js VM Context is not isolated and untrusted JavaScript executed inside the Happy DOM VM can escape to access process-level functionality. Depending on module system (ESM vs CommonJS), attackers may obtain access to powerful objects ...

CVE-2025-61927 Happy-DOM has VM Context Escape

Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Happy DOM v19 and lower contains a security vulnerability that puts the owner system at the risk of RCE Remote Code Execution attacks. A Node.js VM Context is not an isolated environment, and if the us...