CVE catalog
CVE-2026-44008
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.2, the new method neutralizeArraySpeciesBatch works with objects from the other side but can call into this side via getter on the array pro
- Severity
- Critical · CVSS 9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.85% · Oct 25, 2026
A flaw was found in vm2 (before 3.11.2). The neutralizeArraySpeciesBatch method can invoke host-side getters on array prototypes, exposing host objects and the host Function into the sandbox for escape and arbitrary command execution. Fixed in 3.11.2. vm2: vm2: Arbitrary code execution due to sandbox escape vm2 is vulnerable to sandbox escape via neutralizeArraySpeciesBatch cross-realm array prototype getter invocation, exposing host Function and enabling arbitrary code execution. A remote unauthenticated attacker who can submit sandboxed code may escape the sandbox. Fixed in vm2 3.11.2. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | vm2 | Not reported | 3.11.2 | fixed |
| Cpe | vm2 | Not reported | 3.11.2 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | vm2 | cpe | Not reported | 3.11.2 | Not reported | Not reported | Not reported |
| Cpe | vm2 | cpe | Not reported | 3.11.2 | Not reported | NVD-CVE-2026-44008 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://access.redhat.com/errata/RHSA-2026:50850]
- [https://access.redhat.com/security/cve/CVE-2026-44008]
- [https://bugzilla.redhat.com/show_bug.cgi?id=2477201]
- [https://github.com/patriksimek/vm2/security/advisories/GHSA-9qj6-qjgg-37qq]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-44008]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44008.json]
[FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]