CVE-2026-25520

Publication date

2026-02-06 19:53:24

Family

GitHub_M

State

PUBLISHED

Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions arent wrapped. Object.values/Object.entries can be used to get an Array containing the hosts Function constructor, by using Array.prototype.at you can obtain the hosts Function constructor, which can be used to execute arbitrary code outside of the sandbox. This vulnerability is fixed in 0.8.29.