CVE-2026-25142 — SandboxJS Prototype Pollution -> Sandbox Escape -> RCE
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for…
Published: 2026-02-02 · CVSS: 10.0 · CVSS 3.1
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.27, SanboxJS does not properly restrict __lookupGetter__ which can be used to obtain prototypes, which can be used for escaping the sandbox / remote code execution. This vulnerability is fixed in 0.8.27.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7