CVE-2026-25587

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.
Configurations

Configuration 1 (hide)

cpe:2.3:a:nyariv:sandboxjs:*:*:*:*:*:node.js:*:*

History

18 Feb 2026, 14:31

Type Values Removed Values Added
First Time Nyariv sandboxjs
Nyariv
CPE cpe:2.3:a:nyariv:sandboxjs:*:*:*:*:*:node.js:*:*
References () https://github.com/nyariv/SandboxJS/commit/67cb186c41c78c51464f70405504e8ef0a6e43c3 - () https://github.com/nyariv/SandboxJS/commit/67cb186c41c78c51464f70405504e8ef0a6e43c3 - Patch
References () https://github.com/nyariv/SandboxJS/security/advisories/GHSA-66h4-qj4x-38xp - () https://github.com/nyariv/SandboxJS/security/advisories/GHSA-66h4-qj4x-38xp - Exploit, Vendor Advisory

06 Feb 2026, 21:16

Type Values Removed Values Added
References () https://github.com/nyariv/SandboxJS/security/advisories/GHSA-66h4-qj4x-38xp - () https://github.com/nyariv/SandboxJS/security/advisories/GHSA-66h4-qj4x-38xp -

06 Feb 2026, 20:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-02-06 20:16

Updated : 2026-02-18 14:31


NVD link : CVE-2026-25587

Mitre link : CVE-2026-25587

CVE.ORG link : CVE-2026-25587


JSON object : View

Products Affected

nyariv

  • sandboxjs
CWE
CWE-94

Improper Control of Generation of Code ('Code Injection')