CVE-2026-25047

HIGH

NPM Deephas < 1.0.8 - Prototype Pollution

Title source: rule

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.

Exploits (2)

github WORKING POC 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-25047
nomisec WORKING POC 1 stars
by mbanyamer · poc
https://github.com/mbanyamer/deephas-1.0.7-Prototype-Pollution-PoC-CVE-2026-25047-

Scores

CVSS v3 8.8
EPSS 0.0001
EPSS Percentile 0.8%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Classification

CWE
CWE-1321
Status published

Affected Products (2)

npm/deephas < 1.0.8npm
sharpred/deephas

Timeline

Published Jan 29, 2026
Tracked Since Feb 18, 2026