{"schema_version":"1.9.0","id":"BIT-grafana-2026-21721","published":"2026-02-20T08:41:27.652Z","modified":"2026-09-08T08:47:50.887076041Z","aliases":["CVE-2026-21721"],"summary":"Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation","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.","affected":[{"package":{"name":"grafana","ecosystem":"Bitnami","purl":"pkg:bitnami/grafana"},"ranges":[{"type":"SEMVER","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":"12.3.0"},{"fixed":"12.3.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/grafana/BIT-grafana-2026-21721.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}]}],"references":[{"type":"WEB","url":"https://grafana.com/security/security-advisories/CVE-2026-21721"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21721"},{"type":"ADVISORY","url":"https://grafana.com/security/security-advisories/cve-2026-21721"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2914"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:2920"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:3078"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:3529"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:5633"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:8229"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-21721"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2433242"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-21721.json"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:40138"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41064"}],"database_specific":{"cpes":["cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*"],"severity":"High"}}