CVE-2026-66788

CVE-2026-66788 is a flaw in Lighthouse , a Kubernetes multi-cluster networking component. An attacker who compromises a spoke cluster can exploit an attacker-controlled label or annotation on the broker object to determine the destination namespace for resource injection. This allows injection of...

CVE-2026-66794

A critical (CVSS 9.3) unauthenticated SSRF vulnerability exists in the cluster-proxy-addon component of Multicluster Engine for Kubernetes . An attacker with network access to the user-facing route can bypass authentication and authorization by manipulating URL path segments, proxying requests to...

CVE-2026-66781

A flaw was found in the Submariner operator. The Submariner Custom Resource CR, used for configuring network connectivity, stores the IPsec pre-shared key PSK in an unencrypted format. This key, which is critical for securing communication between Kubernetes clusters, can be accessed by...

PT-2026-77225

Name of the Vulnerable Software and Affected Versions Submariner operator affected versions not specified Description A flaw exists in the Submariner operator where the Submariner Custom Resource CR, used for network connectivity configuration, stores the IPsec pre-shared key PSK in an unencrypte...

CVE-2026-66792 Multicloud-operators-subscription: multicloud-operators-subscription: isclusteradmin() trusts user-settable annotations on managed clusters

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a user on a managed cluster to escalate their privileges by creating a Subscription with specific, crafted annotations. Successful exploitation grants the attacker the ability to deploy resources into a...

CVE-2026-72200 ntfs: detect mapping-pairs LCN accumulator overflow

In the Linux kernel, the following vulnerability has been resolved: ntfs: detect mapping-pairs LCN accumulator overflow The NTFS mapping-pairs parser accumulates relative LCN deltas in a signed integer. A corrupted attribute can drive that addition past the representable range. One corrupt runlis...

CVE-2026-72200: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ntfs: detect mapping-pairs LCN accumulator overflow The NTFS mapping-pairs parser accumulates relative LCN deltas in a signed integer. A corrupted attribute can drive that addition past the representable range. One corrupt runlis...

EUVD-2026-57686

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource CR, could exploit a vulnerability in the Collector.ImageOverride field. This allows the attacker to deploy an arbitrary container...

CVE-2026-71471

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource CR, could exploit a vulnerability in the Collector.ImageOverride field. This allows the attacker to deploy an arbitrary container...

CVE-2026-71471 Acm-search-v2-rhel9: search-v2-operator: hub search cr collector.imageoverride propagated to every spoke as arbitrary container image

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource CR, could exploit a vulnerability in the Collector.ImageOverride field. This allows the attacker to deploy an arbitrary container...

CVE-2026-71471

A flaw was found in acm-search-v2-rhel9. An attacker with administrative privileges on the hub cluster, specifically with patch access to the Search Custom Resource CR, could exploit a vulnerability in the Collector.ImageOverride field. This allows the attacker to deploy an arbitrary container...

CVE-2026-72526

A flaw was found in the multicloud-integrations component. The Application propagation controller processes the ocm-managed-cluster annotation from an Application Custom Resource CR without proper validation. A tenant with permissions to create Applications on the hub cluster can exploit this to...

PT-2026-71359

Name of the Vulnerable Software and Affected Versions acm-search-v2-rhel9 affected versions not specified Description An attacker with administrative privileges on the hub cluster, specifically those with patch access to the Search Custom Resource CR, can exploit a flaw in the...

PT-2026-71253

Name of the Vulnerable Software and Affected Versions cluster-curator-controller affected versions not specified Description A flaw in the cluster-curator-controller component allows a local user to escalate privileges from namespace-local access to cluster-wide control. By creating a...

CVE-2026-66808

A flaw was found in hypershift-addon-operator. A hub-cluster administrator with write access to the hypershift-operator-install-flags ConfigMap can inject malicious command-line arguments into the privileged install Job. This vulnerability, known as argument injection, allows the attacker to pull...

Important: Red Hat Security Advisory: OpenShift Container Platform 4.12.95 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.95 is now available with updates to packages and images that fix several bugs and add enhancements. This release includes a security update for Red Hat OpenShift Container Platform 4.12. Red Hat Product Security has rated this update as having a...

CVE-2026-44945

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

CVE-2026-44945 Cross-Cluster Impersonation Confused-Deputy Privilege Escalation

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

CVE-2026-44945

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...

EUVD-2026-53298

A privilege escalation vulnerability exists in Rancher's impersonation middleware pkg/auth/requests/impersonate.go. An authenticated Rancher user with the default user global role can gain full administrative access to the Rancher control plane and transitively to all downstream clusters it...