Low [CVE-2026-28378] Unauthorized public dashboard deletion across organizations
This low-severity Red Hat Linux advisory covers CVE-2026-28378.
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Summary
The public dashboard deletion endpoint does not enforce organization isolation, allowing an Org Admin in one organization to delete public dashboards belonging to a different organization by supplying the target dashboard's identifiers.
This Low impact flaw in Grafana allows an authenticated Organization Administrator to delete public dashboards belonging to other organizations. This is due to insufficient isolation enforcement in the public dashboard deletion endpoint, potentially affecting the availability of dashboards in multi-organizational Grafana deployments.
Red Hat severity: Low — CVSS 3.1 (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N). Weakness: CWE-1220.
Red Hat lists Multicluster Global Hub; Red Hat Advanced Cluster Management for Kubernetes 2; Red Hat Ceph Storage 5; Red Hat Ceph Storage 6; Red Hat Ceph Storage 7; Red Hat Ceph Storage 8; Red Hat Ceph Storage 9; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
Mitigation checklist
- Since this vulnerability only affects the Public Dashboards feature, environments that do not utilize public dashboards can completely neutralize the risk by disabling the feature. This removes the vulnerable endpoint from the attack surface entirely.
Official advisory · high-confidence parse· fetched 10 days ago·verify at source
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