CVE-2026-71327

A flaw was found in Traefik, an open-source HTTP reverse proxy and load balancer. Its Kubernetes Gateway API provider incorrectly generates unique identifiers for routes and services. This vulnerability allows an attacker to create conflicting routes, which can then overwrite the backend services...

CVE-2026-54523

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

GHSA-79GF-7FRW-68M9 Kyverno's NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Summary In Kyverno v1.18.1, a tenant who can create a NamespacedMutatingPolicy in their own namespace can instruct the admission controller to generate resources in any namespace by passing an arbitrary namespace string to the CEL generator.applynamespace, resources function. Details...

Kyverno's NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Summary In Kyverno v1.18.1, a tenant who can create a NamespacedMutatingPolicy in their own namespace can instruct the admission controller to generate resources in any namespace by passing an arbitrary namespace string to the CEL generator.applynamespace, resources function. Details...

CVE-2026-54523 Kyverno: NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

CVE-2026-54523

Kyverno (a policy engine for cloud native platforms) versions 1.18.0 through 1.18.1 are affected by a namespace-scope validation bypass in the NamespacedMutatingPolicy CEL compiler. The function GenerateResources in pkg/cel/libs/context.go does not reject cross-namespace targets, and the validato...

CVE-2026-54523 Kyverno: NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system

Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.applynamespace, resources with an arbitrary...

CVE-2026-73137

A flaw in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management (RHACM) allows a tenant with HelmRelease create permissions to manipulate the secretRef.Namespace field. The GetSecret() function in the HelmRelease controller fails to restrict namespace scope, enabl...

CVE-2026-73137 Multicloud-operators-subscription: multicloud-operators-subscription: cross-namespace secret exfiltration via helmrelease.repo.secretref.namespace

A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management RHACM. A tenant with HelmRelease create permissions can exploit this vulnerability by manipulating the secretRef.Namespace field. This allows the GetSecret function in the HelmRelease...

CVE-2026-73137 Multicloud-operators-subscription: multicloud-operators-subscription: cross-namespace secret exfiltration via helmrelease.repo.secretref.namespace

A flaw was found in the multicloud-operators-subscription component of Red Hat Advanced Cluster Management RHACM. A tenant with HelmRelease create permissions can exploit this vulnerability by manipulating the secretRef.Namespace field. This allows the GetSecret function in the HelmRelease...

GO-2026-6209 Traefik: Gateway API route identity collision allows cross-namespace backend hijacking in github.com/traefik/traefik

Traefik: Gateway API route identity collision allows cross-namespace backend hijacking in github.com/traefik/traefik...

BIT-OPENBAO-2026-45808 OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL

OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespaces provide multi-tenant separation. A tenant who intentionally leaks lease identifiers can have their lease and underlying credential revoked or renewed by a user in another tenant via th...

SUSE CVE-2026-68294

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: restrict socket creation to the initial network namespace QRTR keeps its entire port and node state in module-global variables that are not partitioned per network namespace: qrtrlocalnid is a single global node id...

CVE-2026-72640

The Elastic Cloud on Kubernetes ECK operator reads a list of secret references from an annotation on secrets it manages, and it accepts the namespace recorded in each reference without validating that the reference is authorized for the resource being reconciled. A user whose Kubernetes permissio...

EUVD-2026-58286

The Elastic Cloud on Kubernetes ECK operator reads a list of secret references from an annotation on secrets it manages, and it accepts the namespace recorded in each reference without validating that the reference is authorized for the resource being reconciled. A user whose Kubernetes permissio...

CVE-2026-72640

Summary: The Elastic Cloud on Kubernetes (ECK) operator has a vulnerability where it reads secret references from an annotation on secrets it manages and trusts the listed namespace without validating authorization. This allows a user with permissions limited to their own namespace to trigger a r...

CVE-2026-72640 Unintended Proxy or Intermediary in Elastic Cloud on Kubernetes Leading to Cross-Namespace Secret Disclosure

The Elastic Cloud on Kubernetes ECK operator reads a list of secret references from an annotation on secrets it manages, and it accepts the namespace recorded in each reference without validating that the reference is authorized for the resource being reconciled. A user whose Kubernetes permissio...

Elastic Cloud on Kubernetes 3.5.0 Security Update (ESA-2026-121)

Unintended Proxy or Intermediary in Elastic Cloud on Kubernetes Leading to Cross-Namespace Secret Disclosure The Elastic Cloud on Kubernetes ECK operator reads a list of secret references from an annotation on secrets it manages, and it accepts the namespace recorded in each reference without...

CVE-2026-19130

The CVE-2026-19130 affects the provider-credential-controller component of multicluster-engine (MCE). The root cause is an authorization bypass that can be triggered by an attacker with specific hub-cluster permissions who knows a prior credential value, by manipulating copiedFrom labels. This co...

strimzi-cluster-operator: Cross-namespace privilege escalation via Kafka.spec.entityOperator.watchedNamespace in Strimzi

When the Strimzi cluster operator is deployed with watchAnyNamespace=true or a multi-namespace list, any namespace editor can set Kafka.spec.entityOperator.userOperator.watchedNamespace or topicOperator.watchedNamespace to an arbitrary namespace. The cluster operator then creates a Role granting...