# CVE-2026-25047

## Summary

- **CVE ID:** CVE-2026-25047
- **Severity:** CRITICAL
- **CVSS Score:** 9.4 (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)
- **CWE:** CWE-1321
- **Published:** Jan 29, 2026
- **Last Modified:** Mar 12, 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.

## Affected Products

- sharpred — deepHas (< 1.0.7)

## References

- [CNA](https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27)
- [CNA](https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.73%
- **EPSS Percentile:** 52.0

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._