Lucene search
K

CVE-2026-4740

🗓️ 07 Apr 2026 14:30:36Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Open Cluster Management flaw enables cross-cluster escalation due to improper Kubernetes client certificate renewal validation.

Related
Detection
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/addon-manager-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/managedcluster-import-controller-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/placement-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/registration-operator-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/registration-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Multicluster Engine for Kubernetes",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "multicluster-engine/work-rhel9",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:multicluster_engine"
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

28 May 2026 13:25Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.18.2
EPSS0.00012
SSVC
1