MEDIUM 6.3 NVD
CVE-2026-92949
vm2 versions from 3.9.6 before 3.11.7 fail to properly restrict access to accessor properties on frozen objects, allowing sandboxed scripts to bypass vm.freeze(
vm2 versions from 3.9.6 before 3.11.7 fail to properly restrict access to accessor properties on frozen objects, allowing sandboxed scripts to bypass vm.freeze() and vm.readonly() protections. Attackers can use Object.getOwnPropertyDescriptor() or __lookupSetter__() to extract and invoke host object setters directly, mutating properties the embedder explicitly marked read-only.
References
- https://github.com/patriksimek/vm2/security/advisories/GHSA-633r-hq9m-c4ff
- https://www.vulncheck.com/advisories/vm2-3.9.6-before-3.11.7-sandbox-bypass-via-accessor-d
This medium severity vulnerability with a CVSS score of 6.3 was published on 2026-09-17 via NVD.
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