vm2 before 3.11.8 Sandbox Escape via NodeVM
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
vm2 before 3.11.8 contains a sandbox escape vulnerability in NodeVM that allows attackers to access the host __proto__ getter/setter through console._stdout and console._stderr. Attackers can overwrite EventEmitter.prototype.emit and trigger process events to execute code with process context, bypassing code generation restrictions.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| patriksimek | vm2 | before 3.11.8 | 3.11.8 | Patch available | CNA |
| — | vm2 (npm) | before 3.11.8 | 3.11.8 | Patch available | GHSA-88hf-g992-jg85 |
- vm2 Vendorpatriksimek Affected before 3.11.8 Fixed in 3.11.8 Patch available CNA
- vm2 (npm) Vendor— Affected before 3.11.8 Fixed in 3.11.8 Patch available GHSA-88hf-g992-jg85
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:*:*:* | — | — | patriksimek |
- cpe:2.3:a:vm2_project:vm2:*:*:*:*:*:*:*:* Versions — — ·patriksimek
Remediation
- Fix · CNA vm2 (patriksimek) Fixed in 3.11.8
- Fix · GHSA-88hf-g992-jg85 vm2 (npm) Fixed in 3.11.8 Advisory →
Red Hat 5 advisories
- RHSA-2026:91651 Released 2026-10-28 · Red Hat rating CriticalRed Hat Developer Hub 1.9.10 release.
- Red Hat Developer Hub 1.9 registry.redhat.io/rhdh/rhdh-hub-rhel9, registry.redhat.io/rhdh/rhdh-rhel9-operator
- RHSA-2026:86675 Released 2026-10-21 · Red Hat rating ImportantAnsible plug-ins for Red Hat Developer Hub Product Release Update
- Red Hat Ansible Automation Platform 2.2 registry.redhat.io/ansible-automation-platform/automation-portal
- RHSA-2026:82151 Released 2026-10-13 · Red Hat rating CriticalAnsible automation portal Red Hat Enterprise Linux Images
- Red Hat Ansible Automation Platform 2.2 registry.redhat.io/ansible-automation-platform/bootc-automation-portal-rhel9
Show 2 more Red Hat advisories
- RHSA-2026:79088 Released 2026-10-08 · Red Hat rating CriticalRed Hat Developer Hub 1.10.5 release.
- Red Hat Developer Hub 1.10 registry.redhat.io/rhdh/rhdh-hub-rhel9, registry.redhat.io/rhdh/rhdh-rhel9-operator
- RHSA-2026:76788 Released 2026-10-06 · Red Hat rating CriticalRed Hat Developer Hub 1.10.5 Plugin Catalog GA plugins release.
- Red Hat Developer Hub 1.10 registry.redhat.io/rhdh/red-hat-developer-hub-backstage-plugin-lightspeed, registry.redhat.io/rhdh/red-hat-developer-hub-backstage-plugin-lightspeed-backend, registry.redhat.io/rhdh/red-hat-developer-hub-backstage-plugin-orchestrator +4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
patriksimek vm2 3.11.8
6 records Highest priority Priority HIGH 5 HIGH, 1 MEDIUM
Other records, highest priority first
- TI-2026-62617 vm2 3.10.0 through 3.11.7 Denial of Service via Host PromisePriority HIGH 79
- TI-2026-62616 vm2 3.11.0 through 3.11.7 Prototype Pollution via TypedArrayPriority HIGH 79
- TI-2026-62597 vm2 before 3.11.8 Sandbox Escape RCE via AggregateErrorPriority HIGH 76
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Ansible Automation Platform 2.2 | Fixed | RHSA-2026:82151, RHSA-2026:86675 |
| Red Hat Developer Hub 1.10 | Fixed | RHSA-2026:76788, RHSA-2026:79088 |
| Red Hat Developer Hub 1.9 | Fixed | RHSA-2026:91651 |
Not affected: 2 products
- Red Hat Developer Hub 1.10
- Red Hat Developer Hub 1.9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-92955
- 2026-10-03 Alias added: GHSA-gg6f-mhqm-f7gp
- 2026-10-06 Alias added: GHSA-88hf-g992-jg85
- 2026-10-06 Fix available: npm/[email protected] · GHSA-88hf-g992-jg85
- 2026-10-06 CVSS score added · GHSA-88hf-g992-jg85
- 2026-10-06 Weakness changed · GHSA-88hf-g992-jg85
- 2026-10-06 7 new references · GHSA-88hf-g992-jg85
- 2026-10-07 Fix available: RHSA-2026:76788 · Red Hat
- 2026-10-07 Fix available: Red Hat Developer Hub 1.10 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:79088 · Red Hat
- 2026-10-09 Affected versions changed · Red Hat
- 2026-10-13 Fix available: Red Hat Ansible Automation Platform 2.2 · Red Hat
- 2026-10-13 Fix available: RHSA-2026:82151 · Red Hat
- 2026-10-21 Fix available: RHSA-2026:86675 · Red Hat
- 2026-10-21 Affected versions changed · Red Hat
- 2026-10-30 Fix available: RHSA-2026:91651 · Red Hat
- 2026-10-30 Fix available: Red Hat Developer Hub 1.9 · Red Hat
References
Advisory 2
Other 5
- https://github.com/patriksimek/vm2/commit/22a43704c04b66823b4064b8a16fe1ad54ad0290
- https://github.com/patriksimek/vm2
- https://github.com/patriksimek/vm2/blob/v3.11.7/lib/bridge.js#L1963-L1989
- https://github.com/patriksimek/vm2/blob/v3.11.7/lib/setup-node-sandbox.js#L437-L440
- https://github.com/patriksimek/vm2/releases/tag/v3.11.8
More patriksimek vulnerabilities
- TI-2023-14382 Sandbox Escape in vm2 CVSS 3.1CRITICAL 10.0
- TI-2023-13478 vm2 Sandbox Escape vulnerability CVSS 3.1CRITICAL 10.0
- TI-2026-63070 vm2 before 3.12.1 Sandbox Escape via Promise Symbol.species CVSS 4.0CRITICAL 10.0
- TI-2026-63067 vm2 before 3.12.1 Sandbox Escape RCE via Non-Strict Host Function CVSS 4.0CRITICAL 10.0
- TI-2026-62623 vm2 before 3.11.6 Process-wide State Exposure via os and dns CVSS 4.0CRITICAL 10.0
- TI-2026-62610 vm2 before 3.11.7 Memory Disclosure via Buffer Pool CVSS 4.0CRITICAL 10.0
Sources
- CVE-2026-92955 · CVE Program
- CVE-2026-92955 · NVD
- FIRST EPSS
- GHSA-88hf-g992-jg85 · GitHub Advisory Database · CC BY 4.0
- GHSA-gg6f-mhqm-f7gp · GitHub Advisory Database · CC BY 4.0
- CVE-2026-92955 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences