Prototype pollution in assign-deep
Priority LOW 35CWE-1321Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-915.
Summary
assign-deep is vulnerable to Prototype Pollution in versions before 0.4.8 and version 1.0.0. The function assign-deep could be tricked into adding or modifying properties of Object.prototype using either a constructor or a _proto_ payload.
Why it matters now
EPSS 0.01142 66th percentileScored 2026-11-07
Fix Fixed assign-deep (npm): 0.4.8, 1.0.1
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 |
|---|---|---|---|---|---|
| — | assign-deep | All versions prior to 0.4.8 and version 1.0.0 | — | No fix listed | CNA |
| — | assign-deep (npm) | before 0.4.8 | 0.4.8 | Patch available | GHSA-66rh-8fw6-59q6 |
| — | assign-deep (npm) | 1.0.0 to before 1.0.1 | 1.0.1 | Patch available | GHSA-66rh-8fw6-59q6 |
- assign-deep Vendor— Affected All versions prior to 0.4.8 and version 1.0.0 Fixed in — No fix listed CNA
- assign-deep (npm) Vendor— Affected before 0.4.8 Fixed in 0.4.8 Patch available GHSA-66rh-8fw6-59q6
- assign-deep (npm) Vendor— Affected 1.0.0 to before 1.0.1 Fixed in 1.0.1 Patch available GHSA-66rh-8fw6-59q6
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:assign-deep_project:assign-deep:*:*:*:*:*:node.js:*:* | before 0.4.8 | Vulnerable | Assign-deep Project |
| cpe:2.3:a:assign-deep_project:assign-deep:1.0.0:*:*:*:*:node.js:*:* | 1.0.0 | Vulnerable | Assign-deep Project |
- cpe:2.3:a:assign-deep_project:assign-deep:*:*:*:*:*:node.js:*:* Versions before 0.4.8 Vulnerable ·Assign-deep Project
- cpe:2.3:a:assign-deep_project:assign-deep:1.0.0:*:*:*:*:node.js:*:* Versions 1.0.0 Vulnerable ·Assign-deep Project
Remediation
- Fix · GHSA-66rh-8fw6-59q6 assign-deep (npm) Fixed in 0.4.8 Advisory →
- Fix · GHSA-66rh-8fw6-59q6 assign-deep (npm) Fixed in 1.0.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-10745
- 2026-10-03 Alias added: GHSA-66rh-8fw6-59q6
References
More Assign-deep Project Assign-deep vulnerabilities
- TI-2018-02718 Prototype pollution in HackerOne assign-deep node module CVSS 3.1HIGH 8.8
Sources
- CVE-2019-10745 · CVE Program
- CVE-2019-10745 · NVD
- FIRST EPSS
- GHSA-66rh-8fw6-59q6 · GitHub Advisory Database · CC BY 4.0
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