Prototype pollution in dotty
Priority MEDIUM 48CWE-1321Published · 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-400.
Summary
Prototype pollution vulnerability in 'dotty' versions 0.0.1 through 0.1.0 allows attackers to cause a denial of service and may lead to remote code execution.
Why it matters now
EPSS 0.03481 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed dotty (npm): 0.1.1
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 |
|---|---|---|---|---|---|
| — | dotty | 0.0.1, 0.0.2, 0.1.0 | — | No fix listed | CNA |
| — | dotty (npm) | before 0.1.1 | 0.1.1 | Patch available | GHSA-f5c9-x9j6-87qp |
- dotty Vendor— Affected 0.0.1, 0.0.2, 0.1.0 Fixed in — No fix listed CNA
- dotty (npm) Vendor— Affected before 0.1.1 Fixed in 0.1.1 Patch available GHSA-f5c9-x9j6-87qp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:* | 0.0.1 – 0.1.0 | Vulnerable | Dotty Project |
- cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:* Versions 0.0.1 – 0.1.0 Vulnerable ·Dotty Project
Remediation
- Fix · GHSA-f5c9-x9j6-87qp dotty (npm) Fixed in 0.1.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25912
- 2026-10-03 Alias added: GHSA-f5c9-x9j6-87qp
References
More Dotty Project Dotty vulnerabilities
- TI-2021-06171 Prototype pollution in dotty CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-25912 · CVE Program
- CVE-2021-25912 · NVD
- FIRST EPSS
- GHSA-f5c9-x9j6-87qp · GitHub Advisory Database · CC BY 4.0
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