Regular expression denial of service in predefine
Priority MEDIUM 48CWE-1333Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-1333.
Summary
Prototype pollution vulnerability in 'predefine' versions 0.0.0 through 0.1.2 allows an attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.03071 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed predefine (npm): 0.1.3
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 |
|---|---|---|---|---|---|
| — | predefine | 0.0.0, 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.1.0, 0.1.1, 0.1.2 | — | No fix listed | CNA |
| — | predefine (npm) | before 0.1.3 | 0.1.3 | Patch available | GHSA-mx3x-ghqm-r43h |
- predefine Vendor— Affected 0.0.0, 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.1.0, 0.1.1, 0.1.2 Fixed in — No fix listed CNA
- predefine (npm) Vendor— Affected before 0.1.3 Fixed in 0.1.3 Patch available GHSA-mx3x-ghqm-r43h
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:predefine_project:predefine:*:*:*:*:*:node.js:*:* | 0.0.0 – 0.1.2 | Vulnerable | Predefine Project |
- cpe:2.3:a:predefine_project:predefine:*:*:*:*:*:node.js:*:* Versions 0.0.0 – 0.1.2 Vulnerable ·Predefine Project
Remediation
- Fix · GHSA-mx3x-ghqm-r43h predefine (npm) Fixed in 0.1.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28280
- 2026-10-03 Alias added: GHSA-mx3x-ghqm-r43h
References
Exploit 1
Advisory 2
Sources
- CVE-2020-28280 · CVE Program
- CVE-2020-28280 · NVD
- FIRST EPSS
- GHSA-mx3x-ghqm-r43h · 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