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CVE-2026-25047— deepHas vulnerable to Prototype Pollution via constructor.prototype

Quick assessment

Affected
sharpred deepHas
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

deepHas是Paul Ryan个人开发者的一个软件库。 deepHas 1.0.7版本存在安全漏洞，该漏洞源于原型污染，可能导致攻击者修改全局对象行为。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.81% · P56

Public Exploits 1

ExploitDB · 1 EDB-52528 [webapps]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-25047

Vulnerability Information
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Vulnerability Title
deepHas vulnerable to Prototype Pollution via constructor.prototype
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1321
Source: CVE Program / CVE List V5
Vulnerability Title
deepHas 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
deepHas是Paul Ryan个人开发者的一个软件库。 deepHas 1.0.7版本存在安全漏洞，该漏洞源于原型污染，可能导致攻击者修改全局对象行为。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
sharpred deepHas < 1.0.7 -

II. Public POCs for CVE-2026-25047

# POC Description Source Link Shenlong Link
1 None https://github.com/mbanyamer/deephas-1.0.7-Prototype-Pollution-PoC-CVE-2026-25047- POC Details
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III. Intelligence Information for CVE-2026-25047

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Vendor Advisories for CVE-2026-25047 (1)

IV. Related Vulnerabilities

Same product: deepHas
Same weakness: CWE-1321

V. Comments for CVE-2026-25047

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