CRITICAL SeverityCVSS 3.110.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVE-2026-26954
Last updated Mar 13, 2026 · Published Mar 13, 2026
Description
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.34, it is possible to obtain arrays containing Function, which allows escaping the sandbox. Given an array containing Function, and Object.fromEntries, it is possible to construct {[p]: Function} where p is any constructible property. This vulnerability is fixed in 0.8.34.
Affected products
1 listed- nyariv:SandboxJS
Mappings
CWE
CWE-94
CAPEC
None listed.
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