> CVE-2026-46681 [HIGH]

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PUBLISHED
2026-07-21 15:16
MODIFIED
2026-07-21 15:16
CVSS_SCORE V3
7.2
EPSS (Prob. Exploit)
0.48%
Top 59.5%
DATA SOURCES:
NVD 🔗 2026-07-21 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-10-29 OSV 🔗 2026-07-26

> DESCRIPTION

@nevware21/ts-utils is a comprehensive TypeScript/JavaScript utility library. Prior to version 0.14.0, the _copyProps function in lib/src/object/copy.ts uses for...in to iterate over source object properties without an Object.hasOwnProperty check, and does not filter dangerous keys (__proto__, constructor, prototype). This allows an attacker to pollute the prototype chain of all objects in the application. Version 0.14.0 patches the issue.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-1321

> CWE DETAILED DESCRIPTIONS

CWE-1321: Improperly Controlled Modification of Object Prototype Attributes - 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.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: Red Hat OpenShift Dev Spaces 3.30.0 Release.
Red Hat OpenShift Dev Spaces 3.30.0 has been released.

> GITHUB SECURITY ADVISORY

GHSA-x7j8-49r8-mr43 HIGH

@nevware21/ts-utils: Prototype Pollution in objDeepCopy/objCopyProps via for...in without hasOwnProperty

AFFECTED PACKAGES:
NPM / @nevware21/ts-utils
<= 0.13.0
Fixed in: 0.14.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

@nevware21/ts-utils: Prototype Pollution in objDeepCopy/objCopyProps via for...in without hasOwnProperty

AFFECTED PACKAGES:
Unknown / Unknown
55 versions affected
ALIASES:
GHSA-x7j8-49r8-mr43

> HISTORIQUE DES MODIFICATIONS

Première apparition
21/07/2026 15:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') - The product receives input from an upstream component that specifies attributes that are to be ini...
Nouvelle valeur:
CWE-1321: Improperly Controlled Modification of Object Prototype Attributes - The product receives input from an upstream component that specifies attributes that are to be initialized or updated in a...
📊 ENRICHISSEMENT 01/08/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') - The product receives input from an upstream component that specifies attributes that are to be ini...
Total des modifications: 2 Dernière mise à jour: 5 days ago

> REFERENCES

https://github.com/nevware21/ts-utils/commit/5e887f4e2fbee7160c8f501634c45e6a229...
https://github.com/nevware21/ts-utils/security/advisories/GHSA-x7j8-49r8-mr43
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