10.0 CriticalCWE-94
CVE-2026-43997
patriksimek vm2 vulnerability
patriksimekvm2
Status
- Not in CISA KEV
Exploit probabilityEPSSchecked 16 Oct
0.8%probability of exploitation in the next 30 days
Higher than 55% of scored CVEs
SeverityCVSS
10.0Critical
Description NVD
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, it is possible to obtain the host Object. There are various ways to use the host Object, to escape the sandbox, one example would be using HostObject.getOwnPropertySymbols to obtain Symbol(nodejs.util.inspect.custom). This vulnerability is fixed in 3.11.0.
Coverage 1 article · 1 outlet
- Critical vm2 Node.js flaws expose systems to sandbox escapesThe Hacker News · first in our coverage · mentions it in passing