{
  "threat_severity" : "Important",
  "public_date" : "2026-01-27T09:07:55Z",
  "bugzilla" : {
    "description" : "grafana/grafana/pkg/services/dashboards: Grafana Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation",
    "id" : "2433242",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2433242"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-639",
  "details" : [ "The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.", "An authorization error has been discovered in Grafana dashboards. The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "release_date" : "2026-02-18T00:00:00Z",
    "advisory" : "RHSA-2026:2914",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10.1",
    "package" : "grafana-0:10.2.6-22.el10_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10.0 Extended Update Support",
    "release_date" : "2026-02-23T00:00:00Z",
    "advisory" : "RHSA-2026:3078",
    "cpe" : "cpe:/o:redhat:enterprise_linux_eus:10.0",
    "package" : "grafana-0:10.2.6-20.el10_0"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2026-02-18T00:00:00Z",
    "advisory" : "RHSA-2026:2920",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "grafana-0:10.2.6-18.el9_7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9.6 Extended Update Support",
    "release_date" : "2026-03-02T00:00:00Z",
    "advisory" : "RHSA-2026:3529",
    "cpe" : "cpe:/a:redhat:rhel_eus:9.6",
    "package" : "grafana-0:10.2.6-17.el9_6"
  }, {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2.12",
    "release_date" : "2026-03-24T00:00:00Z",
    "advisory" : "RHSA-2026:5633",
    "cpe" : "cpe:/a:redhat:acm:2.12::el9",
    "package" : "rhacm2/acm-grafana-rhel9:sha256:280e1dc73ea367d9c818086754ece9ea2d5a2c96496dcfea09844a7a55feb51d"
  } ],
  "package_state" : [ {
    "product_name" : "Multicluster Global Hub",
    "fix_state" : "Affected",
    "package_name" : "multicluster-globalhub/multicluster-globalhub-grafana-rhel9",
    "cpe" : "cpe:/a:redhat:multicluster_globalhub"
  }, {
    "product_name" : "Red Hat Ceph Storage 5",
    "fix_state" : "Affected",
    "package_name" : "rhceph/grafana-rhel9",
    "cpe" : "cpe:/a:redhat:ceph_storage:5"
  }, {
    "product_name" : "Red Hat Ceph Storage 5",
    "fix_state" : "Affected",
    "package_name" : "rhel8/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:5"
  }, {
    "product_name" : "Red Hat Ceph Storage 5",
    "fix_state" : "Affected",
    "package_name" : "rhel9/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:5"
  }, {
    "product_name" : "Red Hat Ceph Storage 6",
    "fix_state" : "Affected",
    "package_name" : "rhceph/grafana-rhel9",
    "cpe" : "cpe:/a:redhat:ceph_storage:6"
  }, {
    "product_name" : "Red Hat Ceph Storage 6",
    "fix_state" : "Affected",
    "package_name" : "rhel8/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:6"
  }, {
    "product_name" : "Red Hat Ceph Storage 6",
    "fix_state" : "Affected",
    "package_name" : "rhel9/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:6"
  }, {
    "product_name" : "Red Hat Ceph Storage 8",
    "fix_state" : "Affected",
    "package_name" : "rhceph/grafana-rhel9",
    "cpe" : "cpe:/a:redhat:ceph_storage:8"
  }, {
    "product_name" : "Red Hat Ceph Storage 8",
    "fix_state" : "Affected",
    "package_name" : "rhel8/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:8"
  }, {
    "product_name" : "Red Hat Ceph Storage 8",
    "fix_state" : "Affected",
    "package_name" : "rhel9/grafana",
    "cpe" : "cpe:/a:redhat:ceph_storage:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Not affected",
    "package_name" : "grafana",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-21721\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-21721\nhttps://grafana.com/security/security-advisories/CVE-2026-21721" ],
  "name" : "CVE-2026-21721",
  "mitigation" : {
    "value" : "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
    "lang" : "en:us"
  },
  "csaw" : false
}