Prototype pollution in deep-defaults
Priority MEDIUM 47CWE-1321Published · 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 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in 'deep-defaults' versions 1.0.0 through 1.0.5 allows attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.02961 87th 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 |
|---|---|---|---|---|---|
| — | deep-defaults | 1.0.5, 1.0.3, 1.0.2, 1.0.1, 1.0.0 | — | No fix listed | CNA |
| — | deep-defaults (npm) | 1.0.0 – 1.0.5 | — | No fix listed | GHSA-h6xg-rg33-9mf4 |
- deep-defaults Vendor— Affected 1.0.5, 1.0.3, 1.0.2, 1.0.1, 1.0.0 Fixed in — No fix listed CNA
- deep-defaults (npm) Vendor— Affected 1.0.0 – 1.0.5 Fixed in — No fix listed GHSA-h6xg-rg33-9mf4
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:deep-defaults_project:deep-defaults:*:*:*:*:*:node.js:*:* | 1.0.0 – 1.0.5 | Vulnerable | Deep-defaults Project |
- cpe:2.3:a:deep-defaults_project:deep-defaults:*:*:*:*:*:node.js:*:* Versions 1.0.0 – 1.0.5 Vulnerable ·Deep-defaults Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25944
- 2026-10-03 Alias added: GHSA-h6xg-rg33-9mf4
References
Sources
- CVE-2021-25944 · CVE Program
- CVE-2021-25944 · NVD
- FIRST EPSS
- GHSA-h6xg-rg33-9mf4 · GitHub Advisory Database · CC BY 4.0
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