{"description":"Trending threats, MITRE ATT\u0026CK coverage, and detection metadata. Fed continuously.","feed_url":"https://feed.craftedsignal.io/products/openshift-gitops-operator/feed.json","home_page_url":"https://feed.craftedsignal.io/","items":[{"_cs_actors":[],"_cs_cpes":[],"_cs_cves":[{"cvss":7.7,"id":"CVE-2026-14251"}],"_cs_exploited":true,"_cs_has_poc":false,"_cs_poc_references":[],"_cs_products":["OpenShift GitOps operator","Argo CD"],"_cs_severities":["medium"],"_cs_tags":["openshift","kubernetes","gitops","denial-of-service","vulnerability"],"_cs_type":"threat","_cs_vendors":["Red Hat"],"content_html":"\u003cp\u003eA significant vulnerability, CVE-2026-14251, has been identified in the OpenShift GitOps operator, specifically within its ClusterRole reconciler component. This flaw stems from the reconciler's failure to properly validate resource ownership when processing ClusterRole objects. The vulnerability allows an attacker who has control over a namespace-scoped Argo CD instance to craft a ClusterRole with a name identical to one owned by a cluster-scoped Argo CD instance. This name collision deceives the operator into deleting the legitimate cluster-scoped ClusterRole, leading to a denial of service for the targeted Argo CD instance. This can disrupt critical GitOps workflows and deployments managed by the cluster-scoped instance. While the NVD entry does not specify active exploitation, the nature of the flaw indicates a significant risk to the availability of OpenShift environments using the affected operator.\u003c/p\u003e\n\u003ch2 id=\"attack-chain\"\u003eAttack Chain\u003c/h2\u003e\n\u003col\u003e\n\u003cli\u003eAn attacker gains control over a namespace-scoped Argo CD instance, potentially through compromised credentials or another vulnerability within the Kubernetes environment.\u003c/li\u003e\n\u003cli\u003eThe attacker, operating within the compromised namespace-scoped Argo CD, crafts a Kubernetes \u003ccode\u003eClusterRole\u003c/code\u003e manifest.\u003c/li\u003e\n\u003cli\u003eThe attacker intentionally assigns this crafted \u003ccode\u003eClusterRole\u003c/code\u003e a name that directly conflicts with a \u003ccode\u003eClusterRole\u003c/code\u003e object legitimately owned by a separate, cluster-scoped Argo CD instance.\u003c/li\u003e\n\u003cli\u003eThe OpenShift GitOps operator's \u003ccode\u003eClusterRole\u003c/code\u003e reconciler detects the presence of the attacker-created \u003ccode\u003eClusterRole\u003c/code\u003e within its reconciliation loop.\u003c/li\u003e\n\u003cli\u003eDue to a lack of proper validation for resource ownership, the reconciler mistakenly believes it has authority to manage the \u003ccode\u003eClusterRole\u003c/code\u003e object associated with the colliding name.\u003c/li\u003e\n\u003cli\u003eThe reconciler proceeds to delete the legitimate \u003ccode\u003eClusterRole\u003c/code\u003e object that was owned by the cluster-scoped Argo CD instance, under the assumption it is resolving a conflict or managing its own resource.\u003c/li\u003e\n\u003cli\u003eThe deletion of the legitimate \u003ccode\u003eClusterRole\u003c/code\u003e causes a denial of service, impairing the functionality and operations of the cluster-scoped Argo CD instance.\u003c/li\u003e\n\u003c/ol\u003e\n\u003ch2 id=\"impact\"\u003eImpact\u003c/h2\u003e\n\u003cp\u003eSuccessful exploitation of CVE-2026-14251 results in a denial of service (DoS) for cluster-scoped Argo CD instances. This means that critical GitOps-driven deployments and management operations orchestrated by the affected Argo CD instance would be disrupted or halted. The precise number of potential victims or targeted sectors is not specified, but any organization utilizing OpenShift GitOps with the vulnerable operator could be affected. The direct consequence is a loss of availability and potential operational outages for critical Kubernetes-native applications and infrastructure managed through GitOps.\u003c/p\u003e\n\u003ch2 id=\"recommendation\"\u003eRecommendation\u003c/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePatch CVE-2026-14251 by upgrading the OpenShift GitOps operator to a version that addresses this vulnerability immediately.\u003c/li\u003e\n\u003cli\u003eImplement stringent access controls and monitoring for the creation and deletion of \u003ccode\u003eClusterRole\u003c/code\u003e objects across your Kubernetes clusters, particularly within OpenShift environments.\u003c/li\u003e\n\u003cli\u003eMonitor Kubernetes API server logs for unusual \u003ccode\u003eClusterRole\u003c/code\u003e creation or deletion events, especially those originating from namespace-scoped entities or exhibiting name collisions with cluster-scoped resources.\u003c/li\u003e\n\u003c/ul\u003e\n","date_modified":"2026-07-15T08:18:56Z","date_published":"2026-07-15T08:18:56Z","id":"https://feed.craftedsignal.io/briefs/2026-07-openshift-gitops-dos/","summary":"A high-severity denial of service vulnerability, identified as CVE-2026-14251, exists in the OpenShift GitOps operator where a namespace-scoped Argo CD instance can trigger the deletion of a cluster-scoped Argo CD instance's ClusterRole by exploiting a name collision due to improper resource ownership validation.","title":"OpenShift GitOps Operator Vulnerability Allows Denial of Service via ClusterRole Name Collision","url":"https://feed.craftedsignal.io/briefs/2026-07-openshift-gitops-dos/"}],"language":"en","title":"CraftedSignal Threat Feed - OpenShift GitOps Operator","version":"https://jsonfeed.org/version/1.1"}