CVE-2026-25047
deepHas vulnerable to Prototype Pollution via constructor.prototype
Summary
deepHas vulnerable to Prototype Pollution via constructor.prototype
Original description
The description as published by the source.
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.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
References
- advisory github.com
- advisory github.com
- advisory nvd.nist.gov
- patch github.com