vm2: NodeVM `builtin: ['*']` exposes `os` and `dns` — process-wide observability reads AND writes that hijack the host (sibling class of GHSA-9g8x-92q2-p28f)

NodeVM builtin: '' exposes os and dns — process-wide observability reads AND writes that hijack the host sibling class of GHSA-9g8x-92q2-p28f CWE: CWE-200 Exposure of Sensitive Information to an Unauthorized Actor chained with CWE-732 Incorrect Permission Assignment for Critical Resource and...

CVE-2026-47141

vm2 is an open source vm/sandbox for Node.js. Prior to version 3.11.4, NodeVM exposes some process-wide observability builtins when they are allowed through require.builtin. The diagnosticschannel, asynchooks, and perfhooks builtins are not blocked by the dangerous builtin denylist. These modules...