Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFE_PROTOYPES, it's prototype can be obtained via Map.prototype. By overwriting Map.prototype.has the sandbox can be escaped. This vulnerability is fixed in 0.8.29.

INFO

Published Date :

2026-02-06T19:51:56.208Z

Last Modified :

2026-02-06T20:19:06.992Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25587 vulnerability.

Vendors Products
Nyariv
  • Sandboxjs
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25587.

URL Resource
https://github.com/nyariv/SandboxJS/commit/67cb186c41c78c51464f70405504e8ef0a6e43c3 cve-icon cve-icon
https://github.com/nyariv/SandboxJS/security/advisories/GHSA-66h4-qj4x-38xp cve-icon cve-icon cve-icon
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