The utilities function in all versions <= 0.3.0 of the merge-recursive node module can be…
Priority MEDIUM 45CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
The utilities function in all versions <= 0.3.0 of the merge-recursive node module can be tricked into modifying the prototype of Object when the attacker can control part of the structure passed to this function. This can let an attacker add or modify existing properties that will exist on all objects.
Why it matters now
EPSS 0.01428 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 |
| — | merge-recursive (npm) | up to 0.0.3 | — | No fix listed | GHSA-cvxm-f295-x957 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- merge-recursive (npm) Vendor— Affected up to 0.0.3 Fixed in — No fix listed GHSA-cvxm-f295-x957
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:umbraengineering:merge-recursive:*:*:*:*:*:node.js:*:* | up to 0.3.0 | Vulnerable | Umbraengineering |
- cpe:2.3:a:umbraengineering:merge-recursive:*:*:*:*:*:node.js:*:* Versions up to 0.3.0 Vulnerable ·Umbraengineering
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-3751
- 2026-10-03 Alias added: GHSA-cvxm-f295-x957
References
Sources
- CVE-2018-3751 · CVE Program
- CVE-2018-3751 · NVD
- FIRST EPSS
- GHSA-cvxm-f295-x957 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences