Vulnerability · Published Sep 17, 2026 · Assigned by VulnCheck

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

Medium 5.3

In plain English

A medium-severity security flaw in vm2 from patriksimek. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 72.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	vm2	3.11.2	GHSA-2cm2-m3w5-gp2f

Affected products (as reported)

Vendor	Product	Versions
patriksimek	vm2	0 – before 3.11.2

Weakness: CWE-227 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References

GitHub Security Advisory (GHSA-2cm2-m3w5-gp2f) vendor-advisory
VulnCheck Advisory: vm2 before 3.11.2 Information Disclosure via Internal State third-party-advisory