CVE-2026-26954
CRITICAL10.0CVSS v3
—CVSS v2
0.10%
EPSS (exploit probability)
CWE-94CWE
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.
CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected routers (0)
No routers currently mapped to this CVE in our database.