sharpred deepHas up to 1.0.6 Global Object prototype pollution

CVSS Meta Temp Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in sharpred deepHas up to 1.0.6. The affected element is an unknown function of the component Global Object Handler. This manipulation causes prototype pollution. The identification of this vulnerability is CVE-2026-25047. The attack can only be executed locally. Furthermore, there is an exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in sharpred deepHas up to 1.0.6. Affected by this vulnerability is an unknown code of the component Global Object Handler. The manipulation with an unknown input leads to a prototype pollution vulnerability. The CWE definition for the vulnerability is CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-25047 since 01/28/2026. The exploitation appears to be easy. Attacking locally is a requirement. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1059 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 1.0.7 eliminates this vulnerability. Applying the patch 8097fafd3776c613d8066546653e0d2c7b5fc465 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Exploit-DB (52528) and EUVD (EUVD-2026-4946). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
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CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

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VulDB Base Score: 🔒
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VulDB Reliability: 🔍

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: deepHas 1.0.7
Patch: 8097fafd3776c613d8066546653e0d2c7b5fc465

Timelineinfo

01/28/2026 CVE reserved
01/30/2026 +2 days Advisory disclosed
01/30/2026 +0 days VulDB entry created
05/01/2026 +91 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-2733-6c58-pf27
Status: Confirmed

CVE: CVE-2026-25047 (🔒)
GCVE (CVE): GCVE-0-2026-25047
GCVE (VulDB): GCVE-100-343459
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/30/2026 08:11
Updated: 05/01/2026 18:50
Changes: 01/30/2026 08:11 (69), 01/30/2026 08:54 (1), 02/05/2026 05:52 (1), 02/26/2026 11:28 (11), 05/01/2026 18:50 (11)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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