Prototype pollution in controlled-merge
Priority LOW 39CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
Prototype pollution vulnerability in 'controlled-merge' versions 1.0.0 through 1.2.0 allows attacker to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.0357 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed controlled-merge (npm): 1.3.0
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 |
|---|---|---|---|---|---|
| — | controlled-merge | 1.0.0, 1.0.1, 1.1.0, 1.2.0 | — | No fix listed | CNA |
| — | controlled-merge (npm) | 1.0.0 to before 1.3.0 | 1.3.0 | Patch available | GHSA-5pg7-v24c-9rp9 |
- controlled-merge Vendor— Affected 1.0.0, 1.0.1, 1.1.0, 1.2.0 Fixed in — No fix listed CNA
- controlled-merge (npm) Vendor— Affected 1.0.0 to before 1.3.0 Fixed in 1.3.0 Patch available GHSA-5pg7-v24c-9rp9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:controlled-merge_project:controlled-merge:*:*:*:*:*:node.js:*:* | 1.0.0 – 1.2.0 | Vulnerable | Controlled-merge Project |
- cpe:2.3:a:controlled-merge_project:controlled-merge:*:*:*:*:*:node.js:*:* Versions 1.0.0 – 1.2.0 Vulnerable ·Controlled-merge Project
Remediation
- Fix · GHSA-5pg7-v24c-9rp9 controlled-merge (npm) Fixed in 1.3.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-28268
- 2026-10-03 Alias added: GHSA-5pg7-v24c-9rp9
References
Sources
- CVE-2020-28268 · CVE Program
- CVE-2020-28268 · NVD
- FIRST EPSS
- GHSA-5pg7-v24c-9rp9 · GitHub Advisory Database · CC BY 4.0
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