CVE-2026-88967

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{"bugzilla": {"description": "grafana: Azure Monitor data source could leak its Azure access token", "id": "2554113", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2554113"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L", "status": "draft"}, "cwe": "CWE-201", "details": ["A user with query access to an Azure Monitor data source in Grafana can cause server-side requests to an attacker-controlled endpoint that disclose the data source's Azure access token (server-side request forgery).", "A flaw was found in Grafana. This information disclosure vulnerability allows an authenticated user with permission to query an Azure Monitor data source, including a user with the Viewer role, to cause Grafana to send the data source's Azure access token to an arbitrary destination. An attacker could exploit this flaw to intercept sensitive credentials and gain unauthorized access to the associated cloud resources."], "mitigation": {"lang": "en:us", "value": "Restrict query permissions on configured Azure Monitor data sources exclusively to trusted users, or remove the data source configuration entirely if it is not in active use.\n1. Within the Grafana administration interface, open the Azure Monitor data source settings and adjust permissions to limit query access only to trusted administrative roles.\n2. If Azure Monitor is no longer needed, remove the data source configuration from Grafana.\n3. At the cloud provider level, reduce permissions assigned to the Azure identity or service principal used by Grafana to enforce the principle of least privilege.\nCaveats: Restricting query access or deleting the data source will prevent non-administrative users from viewing dashboards, panels, or alerts that rely on Azure Monitor metrics."}, "name": "CVE-2026-88967", "package_state": [{"cpe": "cpe:/a:redhat:multicluster_globalhub", "fix_state": "Affected", "package_name": "multicluster-globalhub/multicluster-globalhub-grafana-rhel9", "product_name": "Multicluster Global Hub"}, {"cpe": "cpe:/a:redhat:acm:2", "fix_state": "Affected", "package_name": "rhacm2/acm-grafana-rhel9", "product_name": "Red Hat Advanced Cluster Management for Kubernetes 2"}, {"cpe": "cpe:/a:redhat:ceph_storage:7", "fix_state": "Fix deferred", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 7"}, {"cpe": "cpe:/a:redhat:ceph_storage:8", "fix_state": "Fix deferred", "package_name": "rhceph/grafana-rhel9", "product_name": "Red Hat Ceph Storage 8"}, {"cpe": "cpe:/a:redhat:ceph_storage:9", "fix_state": "Fix deferred", "package_name": "rhceph/grafana-rhel10", "product_name": "Red Hat Ceph Storage 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "rhel10/grafana", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "grafana", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "rhel9/grafana", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana12.4", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.1", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "grafana13.2", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "hi/grafana", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-88967\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-88967"], "statement": "This vulnerability is rated as an Important severity flaw because low-privileged authenticated users can exfiltrate sensitive cloud credentials, potentially granting unauthorized access to external infrastructure. In environments where Grafana integrates with Azure Monitor, users with Viewer permissions can induce the service to transmit authentication tokens to an arbitrary external server. Deployments that do not configure Azure Monitor data sources or do not expose query capabilities to untrusted accounts are not susceptible to this risk.", "threat_severity": "Important"}

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