{"id":"UBUNTU-CVE-2026-21721","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.","modified":"2026-06-30T18:15:20.161028835Z","published":"2026-01-27T09:15:00Z","upstream":["CVE-2026-21721"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-21721"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-21721"},{"type":"REPORT","url":"https://grafana.com/security/security-advisories/CVE-2026-21721"}],"affected":[{"package":{"name":"grafana","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/grafana?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.6.0+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"grafana","binary_version":"2.6.0+dfsg-1"},{"binary_name":"grafana-data","binary_version":"2.6.0+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21721.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]}