Important: Red Hat Security Advisory: Red Hat Developer Hub 1.8.5 release.

Red Hat Developer Hub 1.8.5 has been released. Red Hat Developer Hub RHDH is Red Hat's enterprise-grade, self-managed, customizable developer portal based on Backstage.io. RHDH is supported on OpenShift and other major Kubernetes clusters AKS, EKS, GKE. The core features of RHDH include a single...

EUVD-2026-16771

Flannel has cross-node remote code execution via extension backend BackendData injection...

CVE-2026-32695

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider builds router rules by interpolating user-controlled values into backtick-delimited rule expressions without escaping. In live cluster validation, Knative rules.hosts was...

CVE-2026-32695 Traefik has Knative Ingress Rule Injection that Allows Host Restriction Bypass

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 3.6.11 and 3.7.0-ea.2, Traefik's Knative provider builds router rules by interpolating user-controlled values into backtick-delimited rule expressions without escaping. In live cluster validation, Knative rules.hosts was...

CVE-2026-4148

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

CVE-2026-33413 etcd: Authorization bypasses in multiple APIs

etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, and 3.6.9, unauthorized users may bypass authentication or authorization checks and call certain etcd functions in clusters that expose the gRPC API to untrusted or partially trusted...

CVE-2026-4274 Insufficient authorization in shared channel membership sync grants team-level access instead of channel-level access

Mattermost versions 11.2.x = 11.2.2, 10.11.x = 10.11.10, 11.4.x = 11.4.0, 11.3.x = 11.3.1 fail to restrict team-level access when processing membership sync from a remote cluster, which allows a malicious remote cluster to grant a user access to an entire private team instead of only the shared...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 11.2.2 and earlier of the 11.2.x series, as well as versions 10.11.10 and earlier of the 10.11.x series, 11.4.0 and earlier of the 11.4.x series, and 11.3...

Important: Red Hat Security Advisory: multicluster engine for Kubernetes v2.7.9 security update

The multicluster engine for Kubernetes 2.7 General Availability release images, which add new features and enhancements, bug fixes, and updated container images. The multicluster engine for Kubernetes v2.7 images The multicluster engine for Kubernetes provides the foundational components that are...

New CanisterWorm Targets Kubernetes Clusters, Deploys “Kamikaze” Wiper

CanisterWorm spreads via npm supply chain attack, hijacks developer accounts, targets Kubernetes clusters, and deploys destructive Kamikaze wiper payload...

EUVD-2026-12587

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

Kube-router Proxy Module Blindly Trusts ExternalIPs/LoadBalancer IPs Enabling Cluster-Wide Traffic Hijacking and DNS DoS

kube-router Proxy Module Does Not Validate ExternalIPs or LoadBalancer IPs Against Configured Ranges Summary This issue primarily affects multi-tenant clusters where untrusted users are granted namespace-scoped permissions to create or modify Services. Single-tenant clusters or clusters where all...

CVE-2026-4148

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

CVE-2026-4148

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

UBUNTU-CVE-2026-4148

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

CVE-2026-4148 ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

CVE-2026-4148

A use-after-free vulnerability (CVE-2026-4148) affects MongoDB in sharded clusters, triggered by an authenticated user with read role issuing a specially crafted $lookup or $graphLookup aggregation. The linked OSV entry cites the failure in ExpressionContext within the classic engine as the root ...

CVE-2026-4148

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...

CVE-2026-4148 ExpressionContext use-after-free in classic engine $lookup and $graphLookup aggregation operators

A use-after-free vulnerability can be triggered in sharded clusters by an authenticated user with the read role who issues a specially crafted $lookup or $graphLookup aggregation pipeline...