{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:11.6.9:-:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:12.0.8:-:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:12.1.5:-:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:12.2.3:-:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:12.3.0:*:*:*:*:*:*:*",
              "cpe:2.3:a:grafana:grafana:12.3.1:-:*:*:*:*:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "10.2.0"
              },
              {
                "fixed": "11.6.9"
              },
              {
                "introduced": "12.0.0"
              },
              {
                "fixed": "12.0.8"
              },
              {
                "introduced": "12.1.0"
              },
              {
                "fixed": "12.1.5"
              },
              {
                "introduced": "12.2.0"
              },
              {
                "fixed": "12.2.3"
              },
              {
                "introduced": "11.6.9-NA"
              },
              {
                "last_affected": "11.6.9-NA"
              },
              {
                "introduced": "12.0.8-NA"
              },
              {
                "last_affected": "12.0.8-NA"
              },
              {
                "introduced": "12.1.5-NA"
              },
              {
                "last_affected": "12.1.5-NA"
              },
              {
                "introduced": "12.2.3-NA"
              },
              {
                "last_affected": "12.2.3-NA"
              },
              {
                "introduced": "12.3.0"
              },
              {
                "last_affected": "12.3.0"
              },
              {
                "introduced": "12.3.1-NA"
              },
              {
                "last_affected": "12.3.1-NA"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "ae830f687450b8a0aca94ab2d72cc08853a80fff"
            },
            {
              "fixed": "723a1642e8f43947a8e0c4621face5b3d985e1d2"
            },
            {
              "introduced": "4c0e7045f97f356716755b47183b22e7f12bb4bf"
            },
            {
              "fixed": "e133492ed413438f6a81cd956c8d7712f83f1579"
            },
            {
              "introduced": "ccd7b6ce7ea6184b8c7eb1de044174147dd9a648"
            },
            {
              "fixed": "7b200250e485dcb3f2ace4587786a1e1f45c7d22"
            },
            {
              "introduced": "92f1fba9b4b6700328e99e97328d6639df8ddc3d"
            },
            {
              "fixed": "33436a3f337ea2f1c44aefa5c5ac508763741340"
            },
            {
              "introduced": "723a1642e8f43947a8e0c4621face5b3d985e1d2"
            },
            {
              "last_affected": "0d1a5b4420a5e4579b91c239ecb240ea2b247fba"
            }
          ],
          "repo": "https://github.com/grafana/grafana",
          "type": "GIT"
        }
      ],
      "versions": [
        "11.6.9-NA",
        "12.0.8-NA",
        "12.1.5-NA",
        "12.2.3-NA",
        "12.3.0",
        "12.3.1-NA"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GRAFANA",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21721.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "12.3.0"
          },
          {
            "fixed": "12.3.1"
          },
          {
            "introduced": "12.2.0"
          },
          {
            "fixed": "12.2.3"
          },
          {
            "introduced": "12.1.0"
          },
          {
            "fixed": "12.1.5"
          },
          {
            "introduced": "12.0.0"
          },
          {
            "fixed": "12.0.8"
          },
          {
            "introduced": "10.2.0"
          },
          {
            "fixed": "11.6.9"
          },
          {
            "introduced": "10.2.0"
          },
          {
            "fixed": "11.6.9"
          },
          {
            "introduced": "12.0.0"
          },
          {
            "fixed": "12.0.8"
          },
          {
            "introduced": "12.1.0"
          },
          {
            "fixed": "12.1.5"
          },
          {
            "introduced": "12.2.0"
          },
          {
            "fixed": "12.2.3"
          },
          {
            "introduced": "12.3.0"
          },
          {
            "fixed": "12.3.1"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "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.",
  "id": "CVE-2026-21721",
  "modified": "2026-07-15T01:49:08.043017465Z",
  "published": "2026-01-27T09:07:55.160Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21721.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:2914"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:2920"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3078"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:3529"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:5633"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:8229"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-21721"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21721.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://grafana.com/security/security-advisories/cve-2026-21721"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-21721"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2433242"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation"
}