CVE-2026-48105: Improper Limitation of a Pathname to a Restricted Directory

Arc is an open, SQL-native time-series database for telemetry. Prior to version 26.06.1, Arc Enterprise's Raft FSM internal/cluster/raft/fsm.go:applyRegisterFile accepts attacker-chosen file paths in manifest-registration proposals without validating them against the configured storage backend. T...

PT-2026-79499

Name of the Vulnerable Software and Affected Versions Arc Enterprise versions prior to 26.06.1 Description The cluster replication receiver at internal/cluster/replication/receiver.go validates only the wire-format envelope of inbound messages. The MsgReplicateSync payload is accepted without...

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-2026-67567

CVE-2026-67567 is a CRITICAL (CVSS 9.9) privilege escalation vulnerability in the multicloud-operators-subscription Kubernetes operator. The HelmRelease controller processes Helm chart templates using its own elevated ServiceAccount privileges without proper GVK or namespace restriction , allowin...

CVE-2026-67567 Multicloud-operators-subscription: multicloud-operators-subscription: helmrelease chart applied with controller sa without gvk or namespace restriction

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who has the ability to create HelmRelease custom resources CRs, to bypass existing security controls. The system's HelmRelease controller processes Helm chart templates using its own elevated...

CVE-2026-67567 Multicloud-operators-subscription: multicloud-operators-subscription: helmrelease chart applied with controller sa without gvk or namespace restriction

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who has the ability to create HelmRelease custom resources CRs, to bypass existing security controls. The system's HelmRelease controller processes Helm chart templates using its own elevated...

EUVD-2026-63589

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who has the ability to create HelmRelease custom resources CRs, to bypass existing security controls. The system's HelmRelease controller processes Helm chart templates using its own elevated...

CVE-2026-67567

A flaw was found in the multicloud-operators-subscription component. This vulnerability allows a tenant, who has the ability to create HelmRelease custom resources CRs, to bypass existing security controls. The system's HelmRelease controller processes Helm chart templates using its own elevated...

CVE-2026-66788

A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized...

CVE-2026-66785

A flaw was found in Submariner. This vulnerability allows a malicious cluster spoke to redirect network traffic from other connected clusters peer clusters by publishing a specially crafted network endpoint. The system fails to properly validate the network subnets provided by the malicious...

EUVD-2026-63535

A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized...

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-2026-66788 Lighthouse: dockerfile build stages use end-of-life fedora 40 referenced by mutable tag

A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized...

CVE-2026-66788 Lighthouse: dockerfile build stages use end-of-life fedora 40 referenced by mutable tag

A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized...

CVE-2026-66787 Lighthouse: go pprof profiling endpoint enabled unconditionally on lighthouse-agent :8082

A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with...

CVE-2026-66787 Lighthouse: go pprof profiling endpoint enabled unconditionally on lighthouse-agent :8082

A flaw was found in the lighthouse component of Red Hat Advanced Cluster Management for Kubernetes. This vulnerability stems from insufficient validation of advertised IP addresses within EndpointSlice objects. A compromised spoke cluster can exploit this by creating EndpointSlices with...

CVE-2026-66785 Submariner: ipsec psk secrets file created with default world-readable permissions

A flaw was found in Submariner. This vulnerability allows a malicious cluster spoke to redirect network traffic from other connected clusters peer clusters by publishing a specially crafted network endpoint. The system fails to properly validate the network subnets provided by the malicious...

CVE-2026-66785

Submariner is vulnerable to a network subnet validation flaw that allows a malicious connected cluster (spoke) to publish a specially crafted network endpoint declaring arbitrary network ranges . Peer clusters then reroute all traffic destined for those ranges through the attacker's tunnel, poten...

CVE-2026-66788

A flaw was found in Lighthouse. A remote attacker, by compromising a spoke cluster, can exploit a vulnerability where the destination namespace for resource injection is derived from an attacker-controlled label or annotation on the broker object. This allows the attacker to inject unauthorized...