CVE-2026-25047
deepHas vulnerable to Prototype Pollution via constructor.prototype
- State
- Published
- Severity
- 9.4 Critical
- Published
- Jan 29, 2026
- Updated
- Feb 2, 2026
- Reserved
- Jan 28, 2026
Description
deepHas provides a test for the existence of a nested object key and optionally returns that key. A prototype pollution vulnerability exists in version 1.0.7 of the deephas npm package that allows an attacker to modify global object behavior. This issue was fixed in version 1.0.8.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H | GitHub_M |
Weaknesses
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected Products
| Product | Versions |
|---|---|
deepHassharpred |
|
References
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