Prototype pollution in dotty
Priority MEDIUM 45CWE-843Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- 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-843 and the CVSS impact.
Summary
This affects the package dotty before 0.1.2. A type confusion vulnerability can lead to a bypass of CVE-2021-25912 when the user-provided keys used in the path parameter are arrays.
Why it matters now
EPSS 0.01283 70th percentileScored 2026-11-07
Fix Fixed dotty: 0.1.2dotty (npm): 0.1.2
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 | before 0.1.2 | 0.1.2 | Patch available | CNA |
| — | dotty (npm) | before 0.1.2 | 0.1.2 | Patch available | GHSA-6g47-63mv-qpgh |
- dotty Vendor— Affected before 0.1.2 Fixed in 0.1.2 Patch available CNA
- dotty (npm) Vendor— Affected before 0.1.2 Fixed in 0.1.2 Patch available GHSA-6g47-63mv-qpgh
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:* | before 0.1.2 | Vulnerable | Dotty Project |
- cpe:2.3:a:dotty_project:dotty:*:*:*:*:*:*:*:* Versions before 0.1.2 Vulnerable ·Dotty Project
Remediation
- Fix · CNA dotty Fixed in 0.1.2
- Fix · GHSA-6g47-63mv-qpgh dotty (npm) Fixed in 0.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23624
- 2026-10-03 Alias added: GHSA-6g47-63mv-qpgh
References
More Dotty Project Dotty vulnerabilities
- TI-2021-07922 Prototype pollution in dotty CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-23624 · CVE Program
- CVE-2021-23624 · NVD
- FIRST EPSS
- GHSA-6g47-63mv-qpgh · GitHub Advisory Database · CC BY 4.0
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