Prototype pollution in ts-nodash
Priority MEDIUM 45CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- 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-915.
Summary
All versions of package ts-nodash are vulnerable to Prototype Pollution via the Merge() function due to lack of validation input.
Why it matters now
EPSS 0.01287 70th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed ts-nodash (npm): 1.2.7
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 |
|---|---|---|---|---|---|
| — | ts-nodash | all versions | — | No fix listed | CNA |
| — | ts-nodash (npm) | before 1.2.7 | 1.2.7 | Patch available | GHSA-5xjx-4xcm-hpcm |
- ts-nodash Vendor— Affected all versions Fixed in — No fix listed CNA
- ts-nodash (npm) Vendor— Affected before 1.2.7 Fixed in 1.2.7 Patch available GHSA-5xjx-4xcm-hpcm
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ts-nodash_project:ts-nodash:*:*:*:*:*:node.js:*:* | all versions | Vulnerable | Ts-nodash Project |
- cpe:2.3:a:ts-nodash_project:ts-nodash:*:*:*:*:*:node.js:*:* Versions all versions Vulnerable ·Ts-nodash Project
Remediation
- Fix · GHSA-5xjx-4xcm-hpcm ts-nodash (npm) Fixed in 1.2.7 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23403
- 2026-10-03 Alias added: GHSA-5xjx-4xcm-hpcm
References
Sources
- CVE-2021-23403 · CVE Program
- CVE-2021-23403 · NVD
- FIRST EPSS
- GHSA-5xjx-4xcm-hpcm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences