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", "source": "security@grafana.com"}], "vulnStatus": "Awaiting Analysis", "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."}], "lastModified": "2026-01-27T14:59:34.073", "sourceIdentifier": "security@grafana.com"}