ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain…
Priority LOW 37CWE-668Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Partial Red Hat: 1 fixed, 13 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name, as demonstrated by 'constructor': {'name':'Symbol'}. Hence, a crafted payload can overwrite this builtin attribute to manipulate the type detection result.
Why it matters now
EPSS 0.02342 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial kind-of (npm): 6.0.3Red Hat: 1 advisoryRed Hat: 1 fixed, 13 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | kind-of (npm) | 6.0.0 to before 6.0.3 | 6.0.3 | Patch available | GHSA-6c8f-qphg-qjgp |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- kind-of (npm) Vendor— Affected 6.0.0 to before 6.0.3 Fixed in 6.0.3 Patch available GHSA-6c8f-qphg-qjgp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kind-of_project:kind-of:6.0.2:*:*:*:*:*:*:* | 6.0.2 | Vulnerable | Kind-of Project |
- cpe:2.3:a:kind-of_project:kind-of:6.0.2:*:*:*:*:*:*:* Versions 6.0.2 Vulnerable ·Kind-of Project
Remediation
- Fix · GHSA-6c8f-qphg-qjgp kind-of (npm) Fixed in 6.0.3 Advisory →
Red Hat 1 advisory
- RHSA-2021:3454 Released 2021-09-07 · Red Hat rating LowRed Hat Advanced Cluster Management 2.3.2 security and bug fix update
- Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 rhacm2/kui-web-terminal-rhel8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Logging Subsystem for Red Hat OpenShift | Affected | No fix planned: Will not fix |
| OpenShift Service Mesh 2.0 | Affected | No fix yet |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Advanced Cluster Security 3 | Affected | No fix yet: Fix deferred |
| Red Hat Ansible Automation Platform 1.2 | Affected | No fix yet: Fix deferred |
| Red Hat Ceph Storage 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Container Platform 3.11 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift Container Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat OpenShift distributed tracing 2 | Affected | No fix yet: Fix deferred |
| Red Hat Openshift Data Foundation 4 | Affected | No fix yet: Fix deferred |
| Red Hat Quay 3 | Affected | No fix yet |
| Red Hat Software Collections | Affected | No fix planned: Out of support scope |
| Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8 | Fixed | RHSA-2021:3454 |
Not affected: 5 products
- Red Hat Advanced Cluster Management for Kubernetes 2
- Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 7
- Red Hat Advanced Cluster Management for Kubernetes 2.3 for RHEL 8
- Red Hat Openshift Data Foundation 4
- Red Hat Virtualization 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-20149
- 2026-10-03 Alias added: GHSA-6c8f-qphg-qjgp
References
Sources
- CVE-2019-20149 · CVE Program
- CVE-2019-20149 · NVD
- FIRST EPSS
- GHSA-6c8f-qphg-qjgp · GitHub Advisory Database · CC BY 4.0
- CVE-2019-20149 · 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