> CVE-2026-16242 [CRITICAL]

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PUBLISHED
2026-07-20 08:16
MODIFIED
2026-07-20 08:16
CVSS_SCORE V3
9.4
EPSS (Prob. Exploit)
0.92%
Top 40.1%
DATA SOURCES:
NVD 🔗 2026-07-20 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25

> DESCRIPTION

A flaw was found in the Konnectivity proxy-server configuration for hosted control planes. The agent-facing listener was started without --cluster-ca-cert (and without token-based agent authentication), so client certificates were not validated. A remote attacker who can reach the Konnectivity cluster endpoint could connect as an unauthenticated agent, join the routing pool, and potentially proxy, inspect, modify, or drop control-plane-to-node traffic.

> AFFECTED_PRODUCTS

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

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
EXPLOITABILITY
3.9
IMPACT
5.5

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
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
Low (L)
Interruption partielle du service possible

> RÉSUMÉ DES IMPACTS

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

> WEAKNESSES

CWE-306

> CWE DETAILED DESCRIPTIONS

CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: multicluster engine for Kubernetes v2.10.4 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: multicluster engine for Kubernetes v2.10.4 security update
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Red Hat Security Advisory: multicluster engine for Kubernetes v2.11.4 security update
Red Hat multicluster engine for Kubernetes v2.11 general availability release images, which provide security fixes, bug fixes, and updated container images. Red Hat Product Security has rated this up...
Red Hat Security Advisory: multicluster engine for Kubernetes v2.9.6 security update
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Red Hat Security Advisory: multicluster engine for Kubernetes v2.6.13 security update
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Red Hat Security Advisory: multicluster engine for Kubernetes v2.8.9 security update
Red Hat multicluster engine for Kubernetes v2.8 general availability release images, which provide security fixes, bug fixes, and updated container images. Red Hat Product Security has rated this upd...
Red Hat Security Advisory: multicluster engine for Kubernetes v2.17.1 security update
Red Hat multicluster engine for Kubernetes v2.17 general availability release images, which provide security fixes, bug fixes, and updated container images. Red Hat Product Security has rated this up...
Red Hat Security Advisory: OpenShift Container Platform 4.22.8 bug fix and security update
Red Hat OpenShift Container Platform release 4.22.8 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red H...
Red Hat Security Advisory: OpenShift Container Platform 4.19.41 bug fix and security update
Red Hat OpenShift Container Platform release 4.19.41 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.21.27 bug fix and security update
Red Hat OpenShift Container Platform release 4.21.27 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.20.32 bug fix and security update
Red Hat OpenShift Container Platform release 4.20.32 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.18.51 bug fix and security update
Red Hat OpenShift Container Platform release 4.18.51 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.17.56 bug fix and security update
Red Hat OpenShift Container Platform release 4.17.56 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.16.68 bug fix and security update
Red Hat OpenShift Container Platform release 4.16.68 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.15.68 bug fix and security update
Red Hat OpenShift Container Platform release 4.15.68 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...
Red Hat Security Advisory: OpenShift Container Platform 4.14.72 bug fix and security update
Red Hat OpenShift Container Platform release 4.14.72 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red...

> HISTORIQUE DES MODIFICATIONS

Première apparition
20/07/2026 08:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-306: Missing Authentication for Critical Function - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of res...
Nouvelle valeur:
CWE-306: Missing Authentication for Critical Functionality - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount o...
📊 ENRICHISSEMENT 01/08/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-306: Missing Authentication for Critical Function - The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of res...
Total des modifications: 2 Dernière mise à jour: 5 days ago

> REFERENCES

https://access.redhat.com/security/cve/CVE-2026-16242
https://bugzilla.redhat.com/show_bug.cgi?id=2502690
https://github.com/openshift/hypershift/pull/9031
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