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HIGH · 8.1

CVE-2026-21721

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 ...

Vulnerability Description

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.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
GrafanaGrafana>= 10.2.0, < 11.6.9

Related Weaknesses (CWE)

CWE-863

References

FAQ

What is CVE-2026-21721?

CVE-2026-21721 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ...

How severe is CVE-2026-21721?

CVE-2026-21721 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21721?

Check the references section above for vendor advisories and patch information. Affected products include: Grafana Grafana.