critical9.8
CVE-2026-26956
vm2 is an open source vm/sandbox for Node.js.
Impact
vm2 is an open source vm/sandbox for Node.js. In version 3.10.4, vm2 is vulnerable to full sandbox escape with arbitrary code execution. Attacker code inside VM.run() obtains host process object and runs host commands with zero host cooperation. This issue has been patched in version 3.10.5.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| npm | vm2 | <= 3.10.4 | 3.10.5 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Vm2 Project | Vm2 | before 3.10.5 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-ffh4-j6h5-pg66
- https://github.com/patriksimek/vm2/security/advisories/GHSA-ffh4-j6h5-pg66
- https://nvd.nist.gov/vuln/detail/CVE-2026-26956
- https://github.com/patriksimek/vm2/releases/tag/v3.10.5
- https://access.redhat.com/security/cve/CVE-2026-26956
- https://bugzilla.redhat.com/show_bug.cgi?id=2466548
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-26956.json