vm2: Default VM can mutate host TypedArray and ArrayBuffer intrinsics after the host-prototype pollution fix

Date Oct 5, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product npm · vm2

CVE CVE-2026-92953

Critical vendor advisory CVE-2026-92953

Summary

vm2: Default VM can mutate host TypedArray and ArrayBuffer intrinsics after the host-prototype pollution fix

Why it matters

GitHub has published a reviewed security advisory for vm2. Prioritize it with other application dependency updates, especially because EPSS places it in the 41% percentile.

Operator check

Check whether vm2 is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.3. EPSS probability: 0.5%; percentile: 41%.

Sources

GitHub Advisory GHSA-3vgf-8m4q-q4qr NVD — CVE-2026-92953 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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