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CVE Vulnerability Details :
CVE-2026-25047
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-29 Jan, 2026 | 21:39
Updated At-02 Feb, 2026 | 16:35
Rejected At-
▼CVE Numbering Authority (CNA)
deepHas vulnerable to Prototype Pollution via constructor.prototype

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
Vendor
sharpred
Product
deepHas
Versions
Affected
  • < 1.0.7
Problem Types
TypeCWE IDDescription
CWECWE-1321CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Type: CWE
CWE ID: CWE-1321
Description: CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Metrics
VersionBase scoreBase severityVector
4.09.4CRITICAL
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
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
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
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
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Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27
x_refsource_CONFIRM
https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465
x_refsource_MISC
Hyperlink: https://github.com/sharpred/deepHas/security/advisories/GHSA-2733-6c58-pf27
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/sharpred/deepHas/commit/8097fafd3776c613d8066546653e0d2c7b5fc465
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
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CAPEC IDDescription
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Configurations
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Exploits
Credits
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EventDate
Replaced By
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References
HyperlinkResource
Details not found