CVE-2025-3260: Auth Bypass (CVSS 8.3)

Description

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.

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CVSS v3.1 Score

8.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://grafana.com/security/security-advisories/CVE-2025-3260/

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 8.3 (HIGH).

How severe is CVE-2025-3260? +

CVE-2025-3260 has a CVSS v3.1 score of 8.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2025-3260? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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