Uncontrolled resource consumption in HackerOne defaults-deep
Priority MEDIUM 45CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service, Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400 and CWE-345.
Summary
A prototype pollution vulnerability was found in defaults-deep <=0.2.4 that would allow a malicious user to inject properties onto Object.prototype.
Why it matters now
EPSS 0.01481 74th 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 |
|---|---|---|---|---|---|
| HackerOne | defaults-deep | up to 0.2.4 | — | No fix listed | CNA |
| — | defaults-deep (npm) | up to 0.2.4 | — | No fix listed | GHSA-pjxw-22xf-6pwc |
- defaults-deep VendorHackerOne Affected up to 0.2.4 Fixed in — No fix listed CNA
- defaults-deep (npm) Vendor— Affected up to 0.2.4 Fixed in — No fix listed GHSA-pjxw-22xf-6pwc
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:defaults-deep_project:defaults-deep:*:*:*:*:*:node.js:*:* | up to 0.2.4 | Vulnerable | Defaults-deep Project |
- cpe:2.3:a:defaults-deep_project:defaults-deep:*:*:*:*:*:node.js:*:* Versions up to 0.2.4 Vulnerable ·Defaults-deep Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-16486
- 2026-10-03 Alias added: GHSA-pjxw-22xf-6pwc
References
More Defaults-deep Project Defaults-deep vulnerabilities
- TI-2018-02721 Improper input validation in HackerOne defaults-deep node module CVSS 3.0HIGH 8.8
Sources
- CVE-2018-16486 · CVE Program
- CVE-2018-16486 · NVD
- FIRST EPSS
- GHSA-pjxw-22xf-6pwc · GitHub Advisory Database · CC BY 4.0
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