CVE-2026-21721

{"id": "CVE-2026-21721", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security@grafana.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.8}]}, "published": "2026-01-27T09:15:48.640", "references": [{"url": "https://grafana.com/security/security-advisories/cve-2026-21721", "tags": ["Vendor Advisory"], "source": "security@grafana.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-863"}]}], "descriptions": [{"lang": "en", "value": "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\u2011internal privilege escalation."}, {"lang": "es", "value": "La API de permisos del panel no verifica el alcance del panel de destino y solo comprueba la acci\u00f3n dashboards.permissions:*. Como resultado, un usuario que tiene derechos de gesti\u00f3n de permisos en un panel puede leer y modificar permisos en otros paneles. Esto es una escalada de privilegios interna de la organizaci\u00f3n."}], "lastModified": "2026-04-20T17:28:19.960", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6F6E2185-5D9B-4519-BFE1-363489FDE5C5", "versionEndExcluding": "11.6.9", "versionStartIncluding": "10.2.0"}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0800CF3F-6B22-4AC9-B7A5-88F00162D7CF", "versionEndExcluding": "12.0.8", "versionStartIncluding": "12.0.0"}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B74E6E97-D985-4F8E-BFE9-DD40D99995D8", "versionEndExcluding": "12.1.5", "versionStartIncluding": "12.1.0"}, {"criteria": "cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCC333B0-9BDE-4A2D-9648-C8017242DDC7", "versionEndExcluding": "12.2.3", "versionStartIncluding": "12.2.0"}, {"criteria": "cpe:2.3:a:grafana:grafana:11.6.9:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "75C49C18-902A-447E-97F3-2679BD19B517"}, {"criteria": "cpe:2.3:a:grafana:grafana:12.0.8:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63A1D7CB-4839-4706-AB16-0D1609B62C1E"}, {"criteria": "cpe:2.3:a:grafana:grafana:12.1.5:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FCEFE43C-35EA-4163-A184-6FE2FF14B2BA"}, {"criteria": "cpe:2.3:a:grafana:grafana:12.2.3:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D5613D06-3180-477D-9272-CAF86A6D764D"}, {"criteria": "cpe:2.3:a:grafana:grafana:12.3.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0226F9E-7B57-4F41-BC7D-234F17628970"}, {"criteria": "cpe:2.3:a:grafana:grafana:12.3.1:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7B29640-D0AE-4B99-95F8-B1D84E3A17AA"}], "operator": "OR"}]}], "sourceIdentifier": "security@grafana.com"}