Prototype pollution in set-in
Priority MEDIUM 46CWE-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
The package set-in before 2.0.3 are vulnerable to Prototype Pollution via the setIn method, as it allows an attacker to merge object prototypes into it. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-28273](https://security.snyk.io/vuln/SNYK-JS-SETIN-1048049)
Why it matters now
EPSS 0.01931 80th percentileScored 2026-11-07
Fix Fixed set-in: 2.0.3set-in (npm): 2.0.3
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 |
|---|---|---|---|---|---|
| — | set-in | before 2.0.3 | 2.0.3 | Patch available | CNA |
| — | set-in (npm) | before 2.0.3 | 2.0.3 | Patch available | GHSA-6956-83fg-5wc5 |
- set-in Vendor— Affected before 2.0.3 Fixed in 2.0.3 Patch available CNA
- set-in (npm) Vendor— Affected before 2.0.3 Fixed in 2.0.3 Patch available GHSA-6956-83fg-5wc5
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:set-in_project:set-in:*:*:*:*:*:*:*:* | before 2.0.3 | Vulnerable | Set-in Project |
- cpe:2.3:a:set-in_project:set-in:*:*:*:*:*:*:*:* Versions before 2.0.3 Vulnerable ·Set-in Project
Remediation
- Fix · CNA set-in Fixed in 2.0.3
- Fix · GHSA-6956-83fg-5wc5 set-in (npm) Fixed in 2.0.3 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2022-25354
- 2026-10-03 Alias added: GHSA-6956-83fg-5wc5
References
More Set-in Project Set-in vulnerabilities
- TI-2026-21035 Prototype pollution in set-in CVSS 4.0CRITICAL 9.4
- TI-2020-17167 Prototype pollution in set-in CVSS 3.1CRITICAL 9.8
Sources
- CVE-2022-25354 · CVE Program
- CVE-2022-25354 · NVD
- FIRST EPSS
- GHSA-6956-83fg-5wc5 · GitHub Advisory Database · CC BY 4.0
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