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Red Hat Security Advisory: multicluster engine for Kubernetes v2.6.11 security update

0
High
Published: 05/14/2026 (05/14/2026, 16:26:39 UTC)
Source: GCVE Database
Vendor/Project: Red Hat Product Security
Product: Red Hat

Description

The multicluster engine for Kubernetes v2.6 images The multicluster engine for Kubernetes provides the foundational components that are necessary for the centralized management of multiple Kubernetes-based clusters across data centers, public clouds, and private clouds. You can use the engine to create new Red Hat OpenShift Container Platform clusters or to bring existing Kubernetes-based clusters under management by importing them. After the clusters are managed, you can use the APIs that are provided by the engine to distribute configuration based on placement policy.

Affected software

Affected versions
Red Hatmulticluster engine for Kubernetesmulticluster engine for Kubernetes 2.6arm64registry.redhat.io/multicluster-engine/cluster-curator-controller-rhel9@sha256:6631686d9a98dfab3309f952b6c012a030c5c6aa087fe50914d9f063d8397b7c_arm64Red Hat QuayRed Hat Quay 3.12amd64registry.redhat.io/quay/quay-container-security-operator-bundle@sha256:d91c880570c005cb2edcb07d29f8df09504b65710dde2b0c95d17c139c92b777_amd64Red Hat OpenShift Service MeshRed Hat OpenShift Service Mesh 3.0registry.redhat.io/openshift-service-mesh/kiali-rhel9@sha256:58a964558cc55d38fa87d06c6e9227f99a541e8990d42ef9338db331c38558ed_amd64Red Hat Quay 3.1registry.redhat.io/quay/quay-container-security-operator-bundle@sha256:6171d21593edfd320b55fb27381e5fb16cb98ee77f37bbf51da755c99727a253_amd64multicluster engine for Kubernetes 2.8registry.redhat.io/multicluster-engine/addon-manager-rhel9@sha256:874e4ccb63bcfd4de4286999abc76a62085b7e815dd7e6ae94c1e43a3ce0966c_amd64Red Hat Advanced Cluster Security for KubernetesRed Hat Advanced Cluster Security for Kubernetes 4.10registry.redhat.io/advanced-cluster-security/rhacs-central-db-rhel8@sha256:a32574be1c7a5a9ef0aa8b8ce4946ffe4920cb72b402eb17d1ca07c43925faef_amd64Cluster Observability OperatorCluster Observability Operator 1.5.0registry.redhat.io/cluster-observability-operator/alertmanager-rhel9@sha256:cec172ff439b028db99a42b3fc9dc75b49c2d70ace72f65d36c2f417c43e68ce_amd64

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/30/2026, 11:12:34 UTC

Technical Analysis

Red Hat Developer Hub (RHDH) 1.9.4 release addresses a set of critical security vulnerabilities including CVE-2025-62718 and 24 additional CVEs. RHDH is a customizable developer portal built on Backstage.io, designed for deployment on OpenShift and other Kubernetes platforms. The advisory RHSA-2026:13826 lists multiple bug fixes and security improvements. The vulnerabilities span a range of CWEs such as CWE-1289, CWE-617, CWE-444, CWE-770, CWE-248, CWE-89, CWE-94, CWE-1333, CWE-606, CWE-915, CWE-776, CWE-791, CWE-367, CWE-347, CWE-295, CWE-93, and CWE-212, indicating diverse security weaknesses. The vendor advisory does not explicitly state patch availability or remediation instructions in the provided excerpt. No known active exploitation has been reported.

Potential Impact

The advisory indicates critical severity vulnerabilities affecting Red Hat Developer Hub 1.9.x, which could potentially impact the security of enterprise developer portals deployed on Kubernetes clusters. The range of CWEs suggests risks including improper access control, injection flaws, code execution, and other security weaknesses. However, no specific exploitation details or impact scenarios are provided. No known exploits in the wild have been reported, reducing immediate risk. The vulnerabilities could affect the confidentiality, integrity, or availability of the affected systems if exploited.

Mitigation Recommendations

The vendor has released Red Hat Developer Hub 1.9.4 which addresses multiple bugs and security issues. However, the provided advisory content does not explicitly confirm patch availability or remediation status for CVE-2025-62718 and related CVEs. Users should consult the official Red Hat advisory RHSA-2026:13826 at https://access.redhat.com/errata/RHSA-2026:13826 for the latest patch and remediation information. Since this is a self-managed product, administrators should plan to upgrade to the fixed version once confirmed. No vendor statement indicates that no action is required or that the issue is already mitigated.

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Technical Details

Gcve Source
db.gcve.eu
Csaf Category
csaf_security_advisory
Csaf Version
2.0
Publisher
Red Hat Product Security
Advisory Id
RHSA-2026:13826
Cve Count
25
Additional Cves
["CVE-2025-69534","CVE-2026-1525","CVE-2026-1526","CVE-2026-1528","CVE-2026-2229","CVE-2026-3118","CVE-2026-4800","CVE-2026-4926","CVE-2026-27601","CVE-2026-27904","CVE-2026-29063","CVE-2026-29074","CVE-2026-29186","CVE-2026-32141","CVE-2026-32280","CVE-2026-32282","CVE-2026-33228","CVE-2026-33891","CVE-2026-33894","CVE-2026-33895","CVE-2026-33896","CVE-2026-39983","CVE-2026-40175","CVE-2026-40895"]
Cvss Version
null

Threat ID: 6a160974e29bf47b5063da1d

Added to database: 05/26/2026, 20:58:28 UTC

Last enriched: 07/30/2026, 11:12:34 UTC

Last updated: 07/31/2026, 21:28:51 UTC

Views: 103

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External Links

NVD DatabaseMITRE CVEhttps://access.redhat.com/errata/RHSA-2026:17657https://access.redhat.com/security/cve/CVE-2025-62718https://access.redhat.com/security/cve/CVE-2026-40175https://access.redhat.com/security/cve/CVE-2026-40895https://access.redhat.com/security/cve/CVE-2026-42033https://access.redhat.com/security/cve/CVE-2026-42035https://access.redhat.com/security/cve/CVE-2026-42039https://access.redhat.com/security/cve/CVE-2026-42041https://access.redhat.com/security/cve/CVE-2026-42043https://access.redhat.com/security/cve/CVE-2026-42044https://access.redhat.com/security/updates/classification/Canonical URLhttps://access.redhat.com/errata/RHSA-2026:22629https://access.redhat.com/security/cve/CVE-2026-2377https://access.redhat.com/security/cve/CVE-2026-32281https://access.redhat.com/security/cve/CVE-2026-32282https://access.redhat.com/security/cve/CVE-2026-32589https://access.redhat.com/security/cve/CVE-2026-32590https://access.redhat.com/security/cve/CVE-2026-33894https://access.redhat.com/security/cve/CVE-2026-34986https://access.redhat.com/security/cve/CVE-2026-39892https://access.redhat.com/security/cve/CVE-2026-40192Canonical URLhttps://access.redhat.com/errata/RHSA-2026:8484https://access.redhat.com/security/cve/CVE-2026-25679https://access.redhat.com/security/cve/CVE-2026-29063https://access.redhat.com/security/cve/CVE-2026-29074https://access.redhat.com/security/cve/CVE-2026-33186https://access.redhat.com/security/cve/CVE-2026-4800https://access.redhat.com/security/updates/classificationCanonical URLhttps://access.redhat.com/errata/RHSA-2026:22840https://access.redhat.com/security/cve/CVE-2026-32280https://access.redhat.com/security/cve/CVE-2026-4598https://access.redhat.com/errata/RHSA-2026:17699Canonical URLhttps://access.redhat.com/errata/RHSA-2026:20889https://access.redhat.com/security/cve/CVE-2026-42264https://access.redhat.com/security/cve/CVE-2026-44486https://access.redhat.com/security/cve/CVE-2026-44487https://access.redhat.com/security/cve/CVE-2026-44488https://access.redhat.com/security/cve/CVE-2026-44492https://access.redhat.com/security/cve/CVE-2026-44494https://access.redhat.com/security/cve/CVE-2026-44495https://access.redhat.com/security/cve/CVE-2026-44496https://access.redhat.com/errata/RHSA-2026:26010https://docs.openshift.com/container-platform/latest/observability/cluster_observability_operator/cluster-observability-operator-release-notes.htmlCanonical URLSearch on Google

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