Modification of Assumed-Immutable Data (MAID) Affecting vm2 package, versions >=3.9.6 <3.11.7
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-VM2-20043645
- published22 Sept 2026
- disclosed17 Sept 2026
- creditoran-s
Introduced: 17 Sep 2026
NewCVE-2026-92949 (opens in a new tab)How to fix?
Upgrade vm2 to version 3.11.7 or higher.
Overview
vm2 is a sandbox that can run untrusted code with whitelisted Node's built-in modules.
Affected versions of this package are vulnerable to Modification of Assumed-Immutable Data (MAID) in the Object.getOwnPropertyDescriptor or __lookupSetter__ process. An attacker can modify properties that were intended to be read-only by directly invoking host object setters, bypassing intended protections.