CVE-2026-26954

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...

CVE-2026-26954

SandboxJS is a JavaScript sandboxing library. Before version 0.8.34, it can leak arrays containing Function, enabling sandbox escape when used with Object.fromEntries to construct {[p]: Function} for any constructible property. This leads to Sandbox Escape with potential RCE as described in multi...

CVE-2026-26954 SandboxJS has a Sandbox Escape

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...

SandboxJS affected by a Sandbox Escape

Summary It is possible to obtain arrays containing Function, which allows escaping the sandbox. Details There are various ways to get an array containing Function, e.g. js Object.entriesthis.at1 // 'Function', Function: Function Object.valuesthis.slice1, 2 // Function: Function Given an array...

GHSA-6R9F-759J-HJGV SandboxJS affected by a Sandbox Escape

Summary It is possible to obtain arrays containing Function, which allows escaping the sandbox. Details There are various ways to get an array containing Function, e.g. js Object.entriesthis.at1 // 'Function', Function: Function Object.valuesthis.slice1, 2 // Function: Function Given an array...

PT-2026-25322

Name of the Vulnerable Software and Affected Versions SandboxJS versions prior to 0.8.34 Description SandboxJS is a JavaScript sandboxing library susceptible to a sandbox escape. The issue arises from the ability to obtain arrays containing the Function constructor. Combined with...