> CVE-2026-29063 [HIGH]

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PUBLISHED
2026-03-06 19:16
MODIFIED
2026-03-06 19:16
CVSS_SCORE V3
8.7
EPSS (Prob. Exploit)
0.99%
Top 37.3%
DATA SOURCES:
NVD 🔗 2026-03-06 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-08 OSV 🔗 2026-11-08

> DESCRIPTION

Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.

> 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:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

> 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: Network Observability 1.11.1 for OpenShift
Network Observability 1.11 for Red Hat OpenShift.
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Red Hat Quay 3.12.16 is now available with bug fixes.
Red Hat Security Advisory: Red Hat Quay 3.9.20
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Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
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Kiali 2.22.2 for Red Hat OpenShift Service Mesh 3.3 is now available. An update is now available for Red Hat OpenShift Service Mesh 3.3. This advisory contains the RPM packages for the Kiali component...
Red Hat Security Advisory: Kiali 2.17.6 for Red Hat OpenShift Service Mesh 3.2
Kiali 2.17.6 for Red Hat OpenShift Service Mesh 3.2 is now available. An update is now available for Red Hat OpenShift Service Mesh 3.2. This advisory contains the RPM packages for the Kiali component...
Red Hat Security Advisory: Kiali 2.4.15 for Red Hat OpenShift Service Mesh 3.0
Kiali 2.4.15 for Red Hat OpenShift Service Mesh 3.0 is now available. An update is now available for Red Hat OpenShift Service Mesh 3.0. This advisory contains the RPM packages for the Kiali component...
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Red Hat Security Advisory: Kiali 2.11.9 for Red Hat OpenShift Service Mesh 3.1
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The multicluster engine for Kubernetes 2.6 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Developer Hub 1.8.6 release.
Red Hat Developer Hub 1.8.6 has been released.
Red Hat Security Advisory: RHACS 4.8.11 security and bug fix update
Updated images are now available for Red Hat Advanced Cluster Security (RHACS), which typically include new features, bug fixes, and/or security patches.
Red Hat Security Advisory: RHACS 4.8.11 security and bug fix update
Updated images are now available for Red Hat Advanced Cluster Security (RHACS), which typically include new features, bug fixes, and/or security patches.
Red Hat Security Advisory: multicluster engine for Kubernetes v2.9.3 security update
The multicluster engine for Kubernetes 2.9 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Quay 3.10.21
Red Hat Quay 3.10.21 is now available with bug fixes.
Red Hat Security Advisory: multicluster engine for Kubernetes v2.7.10 security update
The multicluster engine for Kubernetes 2.7 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: multicluster engine for Kubernetes v2.10.2 security update
The multicluster engine for Kubernetes 2.10 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.15.2 security update
Red Hat Advanced Cluster Management for Kubernetes 2.15 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: multicluster engine for Kubernetes v2.11.0 General Availability
The multicluster engine for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.16.1 security update
Red Hat Advanced Cluster Management for Kubernetes 2.16 General Availability release images, which add new features and enhancements, bug fixes, and updated container images.
Red Hat Security Advisory: RHACS 4.9.6 security and bug fix update
Updated images are now available for Red Hat Advanced Cluster Security (RHACS), which typically include new features, bug fixes, and/or security patches.
Red Hat Security Advisory: RHACS 4.10.2 security and bug fix update
Updated images are now available for Red Hat Advanced Cluster Security (RHACS), which typically include new features, bug fixes, and/or security patches.
Red Hat Security Advisory: Red Hat Developer Hub 1.9.4 release.
Red Hat Developer Hub 1.9.4 has been released.
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Updated Release packages that fix several bugs and add various enhancements are now available.
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The 1.20.5 GA release of Red Hat OpenShift Pipelines Operator.. For more details see [product documentation](https://docs.redhat.com/en/documentation/red_hat_openshift_pipelines).
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Red Hat Quay 3.17.2 is now available with bug fixes.
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> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Immutable.js: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in immutable

AFFECTED PACKAGES:
Unknown / Unknown
119 versions affected
ALIASES:
GHSA-wf6x-7x77-mvgw

> HISTORIQUE DES MODIFICATIONS

Première apparition
06/03/2026 19:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:58
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 01/04/2026 06:02
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: 1 week ago

> REFERENCES

https://github.com/immutable-js/immutable-js/releases/tag/v3.8.3
https://github.com/immutable-js/immutable-js/releases/tag/v4.3.8
https://github.com/immutable-js/immutable-js/releases/tag/v5.1.5
https://github.com/immutable-js/immutable-js/security/advisories/GHSA-wf6x-7x77-...
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