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CVE-2026-4740Published

Rhacm: open cluster management (ocm): cross-cluster privilege escalation via improper kubernetes client certificate renewal validation

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-4740

Published

multicluster-engine/registration-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "multicluster engine for Kubernetes 2.1",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "multicluster-engine/registration-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1776881164",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine:2.10::el9"
                    ]
                }

multicluster-engine/registration-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "multicluster engine for Kubernetes 2.11",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "multicluster-engine/registration-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1777478390",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine:2.11::el9"
                    ]
                }

multicluster-engine/registration-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "multicluster engine for Kubernetes 2.6",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "multicluster-engine/registration-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1775977180",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine:2.6::el9"
                    ]
                }

multicluster-engine/registration-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "multicluster engine for Kubernetes 2.8",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "multicluster-engine/registration-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1775638726",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine:2.8::el9"
                    ]
                }

multicluster-engine/registration-rhel9

https://catalog.redhat.com/software/containers/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "multicluster engine for Kubernetes 2.9",
                    "collectionURL": "https://catalog.redhat.com/software/containers/",
                    "packageName": "multicluster-engine/registration-rhel9",
                    "defaultStatus": "affected",
                    "versions": [
                        {
                            "version": "1776445095",
                            "lessThan": "*",
                            "versionType": "rpm",
                            "status": "unaffected"
                        }
                    ],
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine:2.9::el9"
                    ]
                }

multicluster-engine/addon-manager-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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"
                    ]
                }

multicluster-engine/maestro-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Red Hat",
                    "product": "Multicluster Engine for Kubernetes",
                    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
                    "packageName": "multicluster-engine/maestro-rhel9",
                    "defaultStatus": "unknown",
                    "cpes": [
                        "cpe:/a:redhat:multicluster_engine"
                    ]
                }

multicluster-engine/managedcluster-import-controller-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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"
                    ]
                }

multicluster-engine/placement-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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"
                    ]
                }

multicluster-engine/registration-operator-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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"
                    ]
                }

multicluster-engine/work-rhel9

https://access.redhat.com/downloads/content/package-browser/

Original vendor version evidence · not evaluated as a NuGet range
{
                    "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"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 30 Oct 03:06 UTC · 272 of 272 readable · 271 fully read · documentation 469/469 current

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