Vulnerability · Published May 13, 2026 · Assigned by GitHub_M
CVE-2026-44006vm2: Sandbox Escape
Critical 10.0
In plain English
A critical-severity code injection in vm2 from patriksimek. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.8%top 42.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
vm2 is an open source vm/sandbox for Node.js. Prior to 3.11.0, It is possible to reach BaseHandler.getPrototypeOf, which can be used to get arbitrary prototypes. This vulnerability is fixed in 3.11.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | vm2 | 3.11.0 | GHSA-qcp4-v2jj-fjx8 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| patriksimek | vm2 | < 3.11.0 |
Weakness: CWE-94, CWE-914 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
References
- https://github.com/patriksimek/vm2/security/advisories/GHSA-qcp4-v2jj-fjx8 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2026-44006 vdb-entry, x_refsource_REDHAT
- RHBZ#2477200 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-44006.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:50850 vendor-advisory, x_refsource_REDHAT