Auth bypass in Grafana

CVE-2025-3260

A security vulnerability in the /apis/dashboard.grafana.app/* endpoints allows authenticated users to bypass dashboard and folder permissions. The vulnerability affects all API versions (v0alpha1, v1alpha1, v2alpha1). Impact: - Viewers can view all dashboards/folders regardless of permissions - Editors can view/edit/delete all dashboards/folders regardless of permissions - Editors can create dashboards in any folder regardless of permissions - Anonymous users with viewer/editor roles are similarly affected Organization isolation boundaries remain intact. The vulnerability only affects dashboard access and does not grant access to datasources.

Vulnerability class: Broken Access Control

EPSS: 0.005 (40.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-3260?
CVE-2025-3260 is a high-severity vulnerability in Grafana, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2025-06-02.
How severe is CVE-2025-3260?
High severity. CVSS v3 base score is 8.3 out of 10.