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.

INFO

Published Date :

2026-02-06T19:53:24.219Z

Last Modified :

2026-02-06T20:18:08.646Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25520 vulnerability.

Vendors Products
Nyariv
  • Sandboxjs
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25520.

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact