Prototype pollution in set-in
Priority MEDIUM 49CWE-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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in 'set-in' versions 1.0.0 through 2.0.0 allows attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.04045 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed set-in (npm): 2.0.1
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 |
|---|---|---|---|---|---|
| — | set-in | 1.0.0, 1.1.0, 1.1.1, 2.0.0 | — | No fix listed | CNA |
| — | set-in (npm) | before 2.0.1 | 2.0.1 | Patch available | GHSA-qr4p-c9wr-phr6 |
- set-in Vendor— Affected 1.0.0, 1.1.0, 1.1.1, 2.0.0 Fixed in — No fix listed CNA
- set-in (npm) Vendor— Affected before 2.0.1 Fixed in 2.0.1 Patch available GHSA-qr4p-c9wr-phr6
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:set-in_project:set-in:*:*:*:*:*:*:*:* | 1.0.0 – 2.0.0 | Vulnerable | Set-in Project |
- cpe:2.3:a:set-in_project:set-in:*:*:*:*:*:*:*:* Versions 1.0.0 – 2.0.0 Vulnerable ·Set-in Project
Remediation
- Fix · GHSA-qr4p-c9wr-phr6 set-in (npm) Fixed in 2.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28273
- 2026-10-03 Alias added: GHSA-qr4p-c9wr-phr6
References
More Set-in Project Set-in vulnerabilities
- TI-2026-21035 Prototype pollution in set-in CVSS 4.0CRITICAL 9.4
- TI-2022-09041 Prototype pollution in set-in CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-28273 · CVE Program
- CVE-2020-28273 · NVD
- FIRST EPSS
- GHSA-qr4p-c9wr-phr6 · GitHub Advisory Database · CC BY 4.0
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