CVE-2026-25520 - SandboxJS has a Sandbox Escape

CVE ID : CVE-2026-25520 Published : Feb. 6, 2026, 8:16 p.m. | 29 minutes ago Description : SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped. Object.values/Object.entries can be used to get an Array containing the host's 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. Severity: 10.0 | CRITICAL Visit the link for more details, such as CVSS details, affected products, timeline, and more...