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Red Hat Advanced Cluster Management for Kubernetes 2.11 — Vulnerabilities & Security Advisories 28

All 28 CVE vulnerabilities found in Red Hat Advanced Cluster Management for Kubernetes 2.11, with AI-generated Chinese analysis, references, and POCs.

This page documents Common Weakness Enumerations associated with the Red Hat Advanced Cluster Management for Kubernetes 2.11 product. It aggregates security vulnerabilities affecting this specific version of the enterprise container orchestration management solution. The content focuses on weaknesses that compromise the integrity, availability, or confidentiality of multi-cluster Kubernetes deployments managed by the platform. The vulnerabilities collected on this page span a range of severity levels, from critical issues allowing remote code execution to lower-severity configuration flaws. The data covers security issues reported and addressed from the initial release of version 2.11 through the most recent patches and errata. This timeframe includes both newly discovered threats and previously known weaknesses that remain relevant to administrators maintaining this specific software release. It reflects the evolving threat landscape and the remediation efforts undertaken by Red Hat. Visitors to this page can track vendor advisories related to Red Hat Advanced Cluster Management for Kubernetes. You can understand the specific weakness classes impacting cluster management workflows and inspect the product’s vulnerability history. This resource allows security teams to analyze trends in reported issues, assess the impact of specific Common Weakness Enumerations on their infrastructure, and verify whether particular security controls have been addressed in available updates. The information supports informed decision-making regarding patch deployment and risk mitigation strategies for environments relying on this version of the management platform.

Vendor: Red Hat

CVE ID Title CVSS Severity Published
CVE-2026-73137 Multicloud-operators-subscription: multicloud-operators-subscription: cross-namespace secret exfiltration via helmrelease.repo.secretref.namespace CWE-200 7.7 High 2026-08-20
CVE-2026-67567 Multicloud-operators-subscription: multicloud-operators-subscription: helmrelease chart applied with controller sa without gvk or namespace restriction CWE-441 9.9 Critical 2026-08-20
CVE-2026-76827 Search-indexer: search-indexer: update/delete operations not scoped to caller's cluster (cross-tenant data tampering) CWE-693 6.8 Medium 2026-08-19
CVE-2026-76139 Acm-operator-bundle: acm-operator-bundle: bundle build execs unpinned stolostron/release@master with full build credentials CWE-829 8.0 High 2026-08-19
CVE-2026-70496 Search-v2-operator: search-v2-operator: operator clusterrole is cluster-admin equivalent via impersonate, rbac write, csr approve, and manifestwork CWE-250 9.9 Critical 2026-08-19
CVE-2026-18874 Volsync-addon-controller: volsync-addon-controller: annotation values rendered into yaml via text/template without escaping allows yaml injection into subscription CWE-94 6.2 Medium 2026-08-19
CVE-2026-71470 Acm-search-v2-rhel9: search-v2-operator: search cr imageoverride/arguments/envvar flow unsanitized into pods running impersonating sa CWE-913 9.1 Critical 2026-08-19
CVE-2026-66780 Submariner-operator: broker serviceaccount secret (token + ca) logged in full at trace verbosity CWE-532 6.5 Medium 2026-08-18
CVE-2026-66781 Submariner-operator: pprof debug endpoint enabled by default on 0.0.0.0:8082 without authentication CWE-749 5.4 Medium 2026-08-18
CVE-2026-75485 Must-gather: /tmp/kubeconfig retention CWE-532 5.5 Medium 2026-08-18
CVE-2026-73834 Must-gather: must-gather: embedded secret data in acm wrapper crs collected without redaction CWE-312 5.5 Medium 2026-08-18
CVE-2026-66793 Governance-policy-addon-controller: governance-policy-addon-controller: arbitrary container image override via managedclusteraddon annotation enables rce on spoke CWE-20 8.8 High 2026-08-18
CVE-2026-71472 Acm-search-v2-rhel9: search-v2-operator: shell-command and sql injection in postgresql-start.sh via cr-supplied work_mem CWE-78 9.1 Critical 2026-08-17
CVE-2026-70495 Search-v2-operator: search-v2-operator: cluster-wide impersonate on users/groups shared across 4 pods grants hub system:masters CWE-269 8.8 High 2026-08-17
CVE-2026-71846 Insights-client: insights-client: clusterrole grants cluster-wide secrets get/list/watch beyond least privilege CWE-250 6.5 Medium 2026-08-12
CVE-2026-71469 Acm-search-v2-api-rhel9: search-v2-api: unbounded tokenreviews cache allows unauthenticated memory-exhaustion dos CWE-770 7.5 High 2026-08-12
CVE-2026-71471 Acm-search-v2-rhel9: search-v2-operator: hub search cr collector.imageoverride propagated to every spoke as arbitrary container image CWE-829 9.0 Critical 2026-08-12
CVE-2026-71473 Acm-search-v2-rhel9: search-v2-operator: addonfactory.getvaluesfromaddonannotation enables arbitrary helm-values override per spoke CWE-915 8.5 High 2026-08-12
CVE-2026-72508 Multicloud-operators-subscription: multicloud-operators-subscription: hub and spoke serviceaccounts bound to wildcard rbac (*/*/*) CWE-250 9.9 Critical 2026-08-12
CVE-2026-64927 Multicloud-operators-channel: multicloud-operators-channel: cross-namespace secret and configmap mutation via spec.secretref.namespace confused deputy CWE-639 6.4 Medium 2026-08-12
CVE-2026-73122 Multicloud-operators-channel: multicloud-operators-channel: auto-generated role grants every managed-cluster agent secrets:get,list,watch in channel namespaces CWE-269 7.7 High 2026-08-12
CVE-2026-66878 Multicloud-operators-subscription: multicloud-operators-subscription: fetchchannelreferences honours channel.spec.secretref.namespace enabling cross-namespace secret exfiltration CWE-639 7.7 High 2026-08-12
CVE-2026-70398 Multicloud-integrations: multicloud-integrations: gitopscluster.spec.argoserver.argonamespace writes spoke bearer tokens to attacker-chosen namespace CWE-441 9.6 Critical 2026-08-12
CVE-2026-72526 Multicloud-integrations: multicloud-integrations: pull-model propagation allows hub tenant to target arbitrary spoke cluster via unvalidated ocm-managed-cluster annotation CWE-441 9.9 Critical 2026-08-12
CVE-2026-71474 Insights-client-rhel9: insights-client: pull-secret bearer token written to logs on non-200 ccx response CWE-532 7.1 High 2026-08-11
CVE-2026-71468 Acm-search-v2-api-rhel9: search-v2-api: cross-user bearer-token reuse via global federation-config cache CWE-266 5.3 Medium 2026-08-11
CVE-2026-71845 Insights-client: insights-client: ccx_token bearer credential logged in clear text at startup via setdefault() CWE-532 6.3 Medium 2026-08-11
CVE-2026-10090 Multicluster-operators-subscription: multicluster-operators-subscription: namespace edit user can deploy cluster-scoped clusterrolebinding and become cluster-admin via application subscription CWE-267 9.0 Critical 2026-08-05

All 28 known CVE vulnerabilities affecting Red Hat Advanced Cluster Management for Kubernetes 2.11 with full Chinese analysis, references, and POCs where available.