CVE-2026-2270

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{"bugzilla": {"description": "kube-controller-manager: kube-controller-manager: StatefulSet and ControllerRevision write permissions allow cross-namespace pod creation", "id": "2526751", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2526751"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-1220", "details": ["A flaw was found in Kubernetes kube-controller-manager. The StatefulSet controller restores ControllerRevision data onto the whole StatefulSet object, including metadata. A user with namespace-scoped write access to StatefulSet and ControllerRevision can cause the controller to create a pod in another namespace. That pod is deleted by garbage collection unless the attacker can name the UID of a StatefulSet in the target namespace."], "mitigation": {"lang": "en:us", "value": "Do not grant create/update/patch on ControllerRevision to users or service accounts that only need to manage StatefulSets."}, "name": "CVE-2026-2270", "package_state": [{"cpe": "cpe:/a:redhat:lvms:4", "fix_state": "Fix deferred", "package_name": "lvms4/lvms-must-gather-rhel9", "product_name": "Logical Volume Manager Storage"}, {"cpe": "cpe:/a:redhat:lvms:4", "fix_state": "Fix deferred", "package_name": "lvms4/lvms-operator-bundle", "product_name": "Logical Volume Manager Storage"}, {"cpe": "cpe:/a:redhat:lvms:4", "fix_state": "Fix deferred", "package_name": "lvms4/lvms-rhel9-operator", "product_name": "Logical Volume Manager Storage"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Fix deferred", "package_name": "flightctl", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": 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"Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/cnf-tests-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/microshift-bootc-rhel10", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/microshift-bootc-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/noderesourcetopology-scheduler-container-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/noderesourcetopology-scheduler-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/numaresources-must-gather-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/numaresources-operator-bundle", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/numaresources-rhel9-operator", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-gcp-cloud-controller-manager-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-gcp-cloud-controller-manager-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-hyperkube", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-hyperkube-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ose-local-storage-diskmaker", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift4/ztp-site-generate-rhel8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "ose-gcp-gcr-image-credential-provider", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Fix deferred", "package_name": "microshift-gitops", "product_name": "Red Hat OpenShift GitOps"}, {"cpe": "cpe:/a:redhat:openshift_gitops:1", "fix_state": "Fix deferred", "package_name": "openshift-gitops-argocd-cli", "product_name": "Red Hat OpenShift GitOps"}], "public_date": "2026-09-15T16:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-2270\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-2270"], "statement": "The attacker needs write on both StatefulSet and ControllerRevision in some namespace, plus a way to make the controller apply that revision. Default OpenShift edit and admin roles do not grant ControllerRevision create/update (only get/list/watch), matching upstream Kubernetes. A custom Role or cluster-admin is required. For the pod to survive, the attacker must also know a StatefulSet UID in the victim namespace.", "threat_severity": "Moderate"}

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