vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector
High-risk advisory
CVE-2026-92944
Summary
vm2 sandbox escape on Node.js 26 through a stale PromiseThenLookupChain protector
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 56% 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. EPSS probability: 0.8%; percentile: 56%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.