# CVE-2026-92956

vm2 sandbox escape on Node.js 26 via WebAssembly → host RCE

- Page: https://www.vulneraibility.com/cve/CVE-2026-92956
- CVSS: 10.0
- Known exploited: not in CISA KEV as of our last sync
- EPSS: 0.51% (percentile 43.5)
- Unvetted proof-of-concept code on GitHub: 1 GitHub proof of concept (first 2026-10-12)
- CISA SSVC: exploitation none, automatable yes, technical impact total (assessed 2026-09-17)
- Weakness: CWE-693
- Also known as: GHSA-wjwh-qqvp-g4p4
- Published: 2026-09-17

## Affected versions

- patriksimek vm2: affected >= 3.10.1 and < 3.11.7; fixed in 3.11.7

A version outside these ranges is not a statement that it is unaffected.

## Impact

Sandboxed code can recover host process and execute arbitrary Node.js code (RCE, access to fs/modules).

## Action

Immediate action required

## Recommendation

Upgrade vm2 to 3.11.7 immediately; isolate and audit sandboxed hosts.

## References

- [advisory] https://github.com/patriksimek/vm2/security/advisories/GHSA-wjwh-qqvp-g4p4
- [advisory] https://www.vulncheck.com/advisories/vm2-3.10.1-through-3.11.6-sandbox-escape-via-webassembly-compilestreaming

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.