CVE-2026-85594

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

EUVD-2026-71017

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-85594 Traefik v3.7.1 crossProviderNamespaces Bypass via Service Middleware

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-85594 Traefik v3.7.1 crossProviderNamespaces Bypass via Service Middleware

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-85594

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its S...

PT-2026-85667

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR na...

PT-2026-86150

In the Linux kernel, the following vulnerability has been resolved: afs: Fix uncancelled rxrpc OOB message handler Fix AFS to cancel its OOB message processing typically to respond to security challenges. Also move OOB message processing to afs wq so that it's also waited for and make the OOB...

PT-2026-85494

Traefik versions from v3.7.1 fail to enforce crossProviderNamespaces restrictions on the traefik.ingress.kubernetes.io/service.middlewares Service annotation in the Kubernetes Ingress provider. A namespace-limited tenant excluded from the allowlist can attach an operator-owned middleware to its...

CVE-2026-80846: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: xfrm: drop ESP-in-TCP packets with no ingress device ESP-in-TCP receives records through the TCP strparser. handleesp restores skb-dev from the saved skbiif before passing the packet into the XFRM input path. Queued TCP data can ...

CVE-2026-19283: Incorrect Authorization

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

PT-2026-85668

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated remote attacker to obtain sensitive information, caused by missing destination namespace validation when copying etcd mTLS client credentials from the openshift-etcd system...

Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Impact Standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule under specific cluster configurations. When Cilium deployment is configured with a specific custom clusterName rather than...

GHSA-FM8W-2M5W-9J7R Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Impact Standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule under specific cluster configurations. When Cilium deployment is configured with a specific custom clusterName rather than...

SUSE CVE-2026-74994

The modauth module in OTP's inets httpd server, when configured with dets or mnesia authentication backends and multiple directory configuration blocks, collapses all directory blocks into a single shared user/group namespace. A user added to one protected directory is accepted as valid for all...

CVE-2026-54523

A flaw was found in Kyverno, a policy engine for cloud-native platforms. A user with specific permissions to create policy objects in one area namespace can exploit a vulnerability where a namespace argument is not properly checked. This allows them to force the system's admission controller, whi...

CVE-2026-75033

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the...

EUVD-2026-70506

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the...

CVE-2026-75033 Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the...

CVE-2026-75033 Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the...

CVE-2026-75033 Rancher: Cross-Cluster Secret Leakage via Namespace projectId Annotation Spoofing

A flaw was found in Rancher Manager. Project Secrets were propagated into a namespace based only on its field.cattle.io/projectId annotation, without verifying that the referenced project belonged to the same downstream cluster. A user able to create namespaces on one cluster could set the...