CVE-2026-62290 cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace...

CVE-2026-62290

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace...

CVE-2026-62290

Affected software/area: cert-manager in Kubernetes clusters (certificates and issuers as resources). Vulnerability: Between 1.18.0 and 1.19.6, and 1.20.3, Challenge resources under acme.cert-manager.io could be created by namespace users without admission validation, allowing attacker-controlled ...

CVE-2026-62290 cert-manager: Direct ACME Challenge resources can bypass Issuer DNS01 solver policy and use ClusterIssuer DNS credentials

cert-manager adds certificates and certificate issuers as resource types in Kubernetes clusters, and simplifies the process of obtaining, renewing and using those certificates. From 1.18.0 until 1.19.6 and 1.20.3, Challenge resources under acme.cert-manager.io can be created directly by namespace...

GHSA-H7PQ-86H8-RP5X Envoy Gateway: OCI layer extraction allocates make([]byte, h.Size) from untrusted tar header

Vulnerability report without repro case. Repro case may be added later after harness is complete. Preconditions 4: - Tenant can create EnvoyExtensionPolicy baseline - Controller has egress to attacker-controlled OCI registry - No registry allowlist none exists in code - Layer presents Docker/OCI...

Important: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.10 security update

Red Hat Advanced Cluster Management for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. Red Hat Advanced Cluster Management for Kubernetes 2.11 images Red Hat Advanced Cluster Management for Kubernetes provides...

Important: Red Hat Security Advisory: multicluster engine for Kubernetes v2.6.12 security update

The multicluster engine for Kubernetes 2.6 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. The multicluster engine for Kubernetes v2.6 images The multicluster engine for Kubernetes provides the foundational components that are...

Important: Red Hat Security Advisory: Red Hat Advanced Cluster Management for Kubernetes v2.11.10 security update

Red Hat Advanced Cluster Management for Kubernetes 2.11 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. Red Hat Advanced Cluster Management for Kubernetes 2.11 images Red Hat Advanced Cluster Management for Kubernetes provides...

Important: Red Hat Security Advisory: Red Hat Edge Manager Version 1.1.3 Security Update

Red Hat Edge Manager Version 1.1.3 Security Update Red Hat Edge Manager RHEM provides simple, scalable, and security-focused management of edge devices and applications. It supports image-mode RHEL and container workloads that run on Podman/Docker or Kubernetes. RHEM is now available as a...

PT-2026-60652

Impact When Envoy Gateway runs in GatewayNamespaceMode provider.kubernetes.deploy.type=GatewayNamespace, the xDS gRPC server is configured with a StreamInterceptor for JWT authentication but no UnaryInterceptor. The go-control-plane xDS server exposes both streaming and unary Fetch RPC methods fo...

PT-2026-60689

Name of the Vulnerable Software and Affected Versions Envoy Gateway affected versions not specified Description An issue exists during OCI layer extraction where the system allocates memory using makebyte, h.Size based on the size declared in a tar header. Because the LimitReader only bounds the...

PT-2026-60607

Wazuh is a free and open source platform used for threat prevention, detection, and response. In versions 3.9.0 and above, prior to 4.14.5, a remote attacker can trigger memory exhaustion in the cluster protocol parser by sending a crafted message header with an arbitrarily large payload length...

PT-2026-60566

Name of the Vulnerable Software and Affected Versions cert-manager versions 1.18.0 through 1.19.5 cert-manager versions 1.20.0 through 1.20.2 Description Namespace users can create Challenge resources under acme.cert-manager.io without admission validation that ties the Challenge to an Order, own...

Wazuh Manager Inventory Sync Code Execution

The vulnerability of the inventorysync function in the Wazuh Manager’s cluster synchronization component, a platform for security monitoring and threat detection, is related to incorrect elimination of special elements in the output data. Exploiting this vulnerability could allow an attacker...

RHEL 10 / 9 : Red Hat Edge Manager Version 1.1.3 Security Update (Important) (RHSA-2026:41019)

The remote Redhat Enterprise Linux 10 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:41019 advisory. Red Hat Edge Manager RHEM provides simple, scalable, and security-focused management of edge devices and applications. It supports...

PT-2026-61613

Name of the Vulnerable Software and Affected Versions Wazuh versions prior to 4.14.5 Description Issues in the Cluster Distributed API DAPI handling allow a cluster peer or any actor authenticated to the cluster channel using the shared cluster key to force the master node to deserialize and...

CVE-2026-56743

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom...

CVE-2026-56743

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom...

CVE-2026-56743

Cilium (versions 1.19.0–1.19.4) is affected where standard Kubernetes NetworkPolicy ipBlock rules without pod/namespace selectors, when configured with a non-default clusterName, can generate a wildcard namespace allow rule. The parser incorrectly creates a pod selector for selectorless peers, en...

CVE-2026-56743 Cilium may unexpectedly allow ingress traffic from the local namespace when a Kubernetes NetworkPolicy is configured with an ipBlock match

Cilium is a networking, observability, and security solution. From 1.19.0 to 1.19.4, standard Kubernetes NetworkPolicy specifications using CIDR-based ipBlock rules without pod or namespace selectors erroneously generate a wildcard namespace allow rule when Cilium is configured with a custom...