Security Advisory

CVE-2026-25587

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-02-06 19:51:56

Last updated 2026-02-06 20:19:06

Assigner GitHub_M

State PUBLISHED

Description

SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, as Map is in SAFE_PROTOYPES, its 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.

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