Prototype pollution in multi-ini
Priority LOW 38CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
This affects the package multi-ini before 2.1.2. It is possible to pollute an object's prototype by specifying the constructor.proto object as part of an array. This is a bypass of CVE-2020-28448.
Why it matters now
EPSS 0.01536 75th percentileScored 2026-11-07
Fix Fixed multi-ini: 2.1.2multi-ini (npm): 2.1.2
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 |
|---|---|---|---|---|---|
| — | multi-ini | before 2.1.2 | 2.1.2 | Patch available | CNA |
| — | multi-ini (npm) | before 2.1.2 | 2.1.2 | Patch available | GHSA-67mq-h2r9-rh2m |
- multi-ini Vendor— Affected before 2.1.2 Fixed in 2.1.2 Patch available CNA
- multi-ini (npm) Vendor— Affected before 2.1.2 Fixed in 2.1.2 Patch available GHSA-67mq-h2r9-rh2m
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:multi-ini_project:multi-ini:*:*:*:*:*:node.js:*:* | before 2.1.2 | Vulnerable | Multi-ini Project |
- cpe:2.3:a:multi-ini_project:multi-ini:*:*:*:*:*:node.js:*:* Versions before 2.1.2 Vulnerable ·Multi-ini Project
Remediation
- Fix · CNA multi-ini Fixed in 2.1.2
- Fix · GHSA-67mq-h2r9-rh2m multi-ini (npm) Fixed in 2.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28460
- 2026-10-03 Alias added: GHSA-67mq-h2r9-rh2m
References
More Multi-ini Project Multi-ini vulnerabilities
- TI-2020-17264 Prototype pollution in multi-ini CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-28460 · CVE Program
- CVE-2020-28460 · NVD
- FIRST EPSS
- GHSA-67mq-h2r9-rh2m · GitHub Advisory Database · CC BY 4.0
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